doctrine /
dbal
| Total Complexity | 176 |
| Total Lines | 1271 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like PostgreSqlPlatform often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use PostgreSqlPlatform, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 40 | class PostgreSqlPlatform extends AbstractPlatform |
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| 41 | { |
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| 42 | /** @var bool */ |
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| 43 | private $useBooleanTrueFalseStrings = true; |
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| 44 | |||
| 45 | /** @var string[][] PostgreSQL booleans literals */ |
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| 46 | private $booleanLiterals = [ |
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| 47 | 'true' => [ |
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| 48 | 't', |
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| 49 | 'true', |
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| 50 | 'y', |
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| 51 | 'yes', |
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| 52 | 'on', |
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| 53 | '1', |
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| 54 | ], |
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| 55 | 'false' => [ |
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| 56 | 'f', |
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| 57 | 'false', |
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| 58 | 'n', |
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| 59 | 'no', |
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| 60 | 'off', |
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| 61 | '0', |
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| 62 | ], |
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| 63 | ]; |
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| 64 | |||
| 65 | /** |
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| 66 | * PostgreSQL has different behavior with some drivers |
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| 67 | * with regard to how booleans have to be handled. |
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| 68 | * |
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| 69 | * Enables use of 'true'/'false' or otherwise 1 and 0 instead. |
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| 70 | * |
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| 71 | * @param bool $flag |
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| 72 | */ |
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| 73 | public function setUseBooleanTrueFalseStrings($flag) |
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| 74 | { |
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| 75 | $this->useBooleanTrueFalseStrings = (bool) $flag; |
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| 76 | } |
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| 77 | |||
| 78 | /** |
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| 79 | * {@inheritDoc} |
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| 80 | */ |
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| 81 | public function getSubstringExpression($value, $from, $length = null) |
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| 82 | { |
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| 83 | if ($length === null) { |
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| 84 | return 'SUBSTRING(' . $value . ' FROM ' . $from . ')'; |
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| 85 | } |
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| 86 | |||
| 87 | return 'SUBSTRING(' . $value . ' FROM ' . $from . ' FOR ' . $length . ')'; |
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| 88 | } |
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| 89 | |||
| 90 | /** |
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| 91 | * {@inheritDoc} |
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| 92 | */ |
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| 93 | public function getNowExpression() |
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| 94 | { |
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| 95 | return 'LOCALTIMESTAMP(0)'; |
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| 96 | } |
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| 97 | |||
| 98 | /** |
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| 99 | * {@inheritDoc} |
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| 100 | */ |
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| 101 | public function getRegexpExpression() |
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| 102 | { |
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| 103 | return 'SIMILAR TO'; |
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| 104 | } |
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| 105 | |||
| 106 | /** |
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| 107 | * {@inheritDoc} |
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| 108 | */ |
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| 109 | public function getLocateExpression($str, $substr, $startPos = false) |
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| 110 | { |
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| 111 | if ($startPos !== false) { |
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| 112 | $str = $this->getSubstringExpression($str, $startPos); |
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| 113 | |||
| 114 | return 'CASE WHEN (POSITION(' . $substr . ' IN ' . $str . ') = 0) THEN 0 ELSE (POSITION(' . $substr . ' IN ' . $str . ') + ' . ($startPos-1) . ') END'; |
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| 115 | } |
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| 116 | |||
| 117 | return 'POSITION(' . $substr . ' IN ' . $str . ')'; |
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| 118 | } |
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| 119 | |||
| 120 | /** |
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| 121 | * {@inheritdoc} |
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| 122 | */ |
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| 123 | protected function getDateArithmeticIntervalExpression($date, $operator, $interval, $unit) |
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| 124 | { |
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| 125 | if ($unit === DateIntervalUnit::QUARTER) { |
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| 126 | $interval *= 3; |
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| 127 | $unit = DateIntervalUnit::MONTH; |
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| 128 | } |
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| 129 | |||
| 130 | return '(' . $date . ' ' . $operator . ' (' . $interval . " || ' " . $unit . "')::interval)"; |
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| 131 | } |
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| 132 | |||
| 133 | /** |
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| 134 | * {@inheritDoc} |
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| 135 | */ |
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| 136 | public function getDateDiffExpression($date1, $date2) |
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| 137 | { |
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| 138 | return '(DATE(' . $date1 . ')-DATE(' . $date2 . '))'; |
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| 139 | } |
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| 140 | |||
| 141 | /** |
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| 142 | * {@inheritDoc} |
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| 143 | */ |
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| 144 | public function supportsSequences() |
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| 145 | { |
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| 146 | return true; |
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| 147 | } |
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| 148 | |||
| 149 | /** |
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| 150 | * {@inheritDoc} |
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| 151 | */ |
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| 152 | public function supportsSchemas() |
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| 153 | { |
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| 154 | return true; |
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| 155 | } |
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| 156 | |||
| 157 | /** |
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| 158 | * {@inheritdoc} |
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| 159 | */ |
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| 160 | public function getDefaultSchemaName() |
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| 161 | { |
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| 162 | return 'public'; |
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| 163 | } |
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| 164 | |||
| 165 | /** |
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| 166 | * {@inheritDoc} |
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| 167 | */ |
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| 168 | public function supportsIdentityColumns() |
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| 169 | { |
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| 170 | return true; |
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| 171 | } |
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| 172 | |||
| 173 | /** |
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| 174 | * {@inheritdoc} |
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| 175 | */ |
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| 176 | public function supportsPartialIndexes() |
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| 177 | { |
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| 178 | return true; |
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| 179 | } |
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| 180 | |||
| 181 | /** |
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| 182 | * {@inheritdoc} |
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| 183 | */ |
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| 184 | public function usesSequenceEmulatedIdentityColumns() |
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| 185 | { |
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| 186 | return true; |
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| 187 | } |
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| 188 | |||
| 189 | /** |
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| 190 | * {@inheritdoc} |
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| 191 | */ |
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| 192 | public function getIdentitySequenceName($tableName, $columnName) |
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| 193 | { |
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| 194 | return $tableName . '_' . $columnName . '_seq'; |
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| 195 | } |
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| 196 | |||
| 197 | /** |
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| 198 | * {@inheritDoc} |
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| 199 | */ |
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| 200 | public function supportsCommentOnStatement() |
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| 201 | { |
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| 202 | return true; |
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| 203 | } |
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| 204 | |||
| 205 | /** |
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| 206 | * {@inheritDoc} |
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| 207 | */ |
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| 208 | public function prefersSequences() |
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| 209 | { |
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| 210 | return true; |
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| 211 | } |
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| 212 | |||
| 213 | /** |
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| 214 | * {@inheritDoc} |
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| 215 | */ |
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| 216 | public function hasNativeGuidType() |
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| 217 | { |
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| 218 | return true; |
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| 219 | } |
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| 220 | |||
| 221 | /** |
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| 222 | * {@inheritDoc} |
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| 223 | */ |
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| 224 | public function getListDatabasesSQL() |
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| 225 | { |
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| 226 | return 'SELECT datname FROM pg_database'; |
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| 227 | } |
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| 228 | |||
| 229 | /** |
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| 230 | * {@inheritDoc} |
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| 231 | */ |
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| 232 | public function getListNamespacesSQL() |
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| 233 | { |
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| 234 | return "SELECT schema_name AS nspname |
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| 235 | FROM information_schema.schemata |
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| 236 | WHERE schema_name NOT LIKE 'pg\_%' |
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| 237 | AND schema_name != 'information_schema'"; |
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| 238 | } |
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| 239 | |||
| 240 | /** |
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| 241 | * {@inheritDoc} |
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| 242 | */ |
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| 243 | public function getListSequencesSQL($database) |
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| 244 | { |
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| 245 | return "SELECT sequence_name AS relname, |
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| 246 | sequence_schema AS schemaname |
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| 247 | FROM information_schema.sequences |
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| 248 | WHERE sequence_schema NOT LIKE 'pg\_%' |
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| 249 | AND sequence_schema != 'information_schema'"; |
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| 250 | } |
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| 251 | |||
| 252 | /** |
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| 253 | * {@inheritDoc} |
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| 254 | */ |
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| 255 | public function getListTablesSQL() |
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| 256 | { |
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| 257 | return "SELECT quote_ident(table_name) AS table_name, |
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| 258 | table_schema AS schema_name |
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| 259 | FROM information_schema.tables |
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| 260 | WHERE table_schema NOT LIKE 'pg\_%' |
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| 261 | AND table_schema != 'information_schema' |
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| 262 | AND table_name != 'geometry_columns' |
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| 263 | AND table_name != 'spatial_ref_sys' |
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| 264 | AND table_type != 'VIEW'"; |
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| 265 | } |
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| 266 | |||
| 267 | /** |
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| 268 | * {@inheritDoc} |
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| 269 | */ |
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| 270 | public function getListViewsSQL($database) |
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| 271 | { |
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| 272 | return 'SELECT quote_ident(table_name) AS viewname, |
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| 273 | table_schema AS schemaname, |
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| 274 | view_definition AS definition |
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| 275 | FROM information_schema.views |
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| 276 | WHERE view_definition IS NOT NULL'; |
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| 277 | } |
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| 278 | |||
| 279 | /** |
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| 280 | * {@inheritDoc} |
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| 281 | */ |
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| 282 | public function getListTableForeignKeysSQL($table, $database = null) |
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| 283 | { |
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| 284 | return 'SELECT quote_ident(r.conname) as conname, pg_catalog.pg_get_constraintdef(r.oid, true) as condef |
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| 285 | FROM pg_catalog.pg_constraint r |
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| 286 | WHERE r.conrelid = |
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| 287 | ( |
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| 288 | SELECT c.oid |
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| 289 | FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n |
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| 290 | WHERE ' . $this->getTableWhereClause($table) . " AND n.oid = c.relnamespace |
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| 291 | ) |
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| 292 | AND r.contype = 'f'"; |
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| 293 | } |
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| 294 | |||
| 295 | /** |
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| 296 | * {@inheritDoc} |
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| 297 | */ |
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| 298 | public function getCreateViewSQL($name, $sql) |
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| 299 | { |
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| 300 | return 'CREATE VIEW ' . $name . ' AS ' . $sql; |
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| 301 | } |
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| 302 | |||
| 303 | /** |
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| 304 | * {@inheritDoc} |
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| 305 | */ |
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| 306 | public function getDropViewSQL($name) |
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| 307 | { |
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| 308 | return 'DROP VIEW ' . $name; |
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| 309 | } |
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| 310 | |||
| 311 | /** |
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| 312 | * {@inheritDoc} |
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| 313 | */ |
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| 314 | public function getListTableConstraintsSQL($table) |
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| 315 | { |
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| 316 | $table = new Identifier($table); |
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| 317 | $table = $this->quoteStringLiteral($table->getName()); |
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| 318 | |||
| 319 | return sprintf( |
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| 320 | <<<'SQL' |
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| 321 | SELECT |
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| 322 | quote_ident(relname) as relname |
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| 323 | FROM |
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| 324 | pg_class |
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| 325 | WHERE oid IN ( |
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| 326 | SELECT indexrelid |
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| 327 | FROM pg_index, pg_class |
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| 328 | WHERE pg_class.relname = %s |
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| 329 | AND pg_class.oid = pg_index.indrelid |
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| 330 | AND (indisunique = 't' OR indisprimary = 't') |
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| 331 | ) |
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| 332 | SQL |
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| 333 | , |
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| 334 | $table |
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| 335 | ); |
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| 336 | } |
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| 337 | |||
| 338 | /** |
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| 339 | * {@inheritDoc} |
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| 340 | * |
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| 341 | * @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html |
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| 342 | */ |
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| 343 | public function getListTableIndexesSQL($table, $currentDatabase = null) |
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| 344 | { |
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| 345 | return 'SELECT quote_ident(relname) as relname, pg_index.indisunique, pg_index.indisprimary, |
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| 346 | pg_index.indkey, pg_index.indrelid, |
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| 347 | pg_get_expr(indpred, indrelid) AS where |
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| 348 | FROM pg_class, pg_index |
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| 349 | WHERE oid IN ( |
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| 350 | SELECT indexrelid |
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| 351 | FROM pg_index si, pg_class sc, pg_namespace sn |
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| 352 | WHERE ' . $this->getTableWhereClause($table, 'sc', 'sn') . ' AND sc.oid=si.indrelid AND sc.relnamespace = sn.oid |
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| 353 | ) AND pg_index.indexrelid = oid'; |
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| 354 | } |
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| 355 | |||
| 356 | /** |
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| 357 | * @param string $table |
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| 358 | * @param string $classAlias |
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| 359 | * @param string $namespaceAlias |
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| 360 | * |
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| 361 | * @return string |
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| 362 | */ |
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| 363 | private function getTableWhereClause($table, $classAlias = 'c', $namespaceAlias = 'n') |
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| 364 | { |
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| 365 | $whereClause = $namespaceAlias . ".nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast') AND "; |
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| 366 | if (strpos($table, '.') !== false) { |
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| 367 | [$schema, $table] = explode('.', $table); |
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| 368 | $schema = $this->quoteStringLiteral($schema); |
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| 369 | } else { |
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| 370 | $schema = 'ANY(current_schemas(false))'; |
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| 371 | } |
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| 372 | |||
| 373 | $table = new Identifier($table); |
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| 374 | $table = $this->quoteStringLiteral($table->getName()); |
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| 375 | |||
| 376 | return $whereClause . sprintf( |
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| 377 | '%s.relname = %s AND %s.nspname = %s', |
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| 378 | $classAlias, |
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| 379 | $table, |
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| 380 | $namespaceAlias, |
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| 381 | $schema |
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| 382 | ); |
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| 383 | } |
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| 384 | |||
| 385 | /** |
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| 386 | * {@inheritDoc} |
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| 387 | */ |
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| 388 | public function getListTableColumnsSQL($table, $database = null) |
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| 389 | { |
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| 390 | return "SELECT |
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| 391 | a.attnum, |
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| 392 | quote_ident(a.attname) AS field, |
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| 393 | t.typname AS type, |
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| 394 | format_type(a.atttypid, a.atttypmod) AS complete_type, |
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| 395 | (SELECT tc.collcollate FROM pg_catalog.pg_collation tc WHERE tc.oid = a.attcollation) AS collation, |
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| 396 | (SELECT t1.typname FROM pg_catalog.pg_type t1 WHERE t1.oid = t.typbasetype) AS domain_type, |
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| 397 | (SELECT format_type(t2.typbasetype, t2.typtypmod) FROM |
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| 398 | pg_catalog.pg_type t2 WHERE t2.typtype = 'd' AND t2.oid = a.atttypid) AS domain_complete_type, |
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| 399 | a.attnotnull AS isnotnull, |
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| 400 | (SELECT 't' |
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| 401 | FROM pg_index |
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| 402 | WHERE c.oid = pg_index.indrelid |
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| 403 | AND pg_index.indkey[0] = a.attnum |
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| 404 | AND pg_index.indisprimary = 't' |
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| 405 | ) AS pri, |
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| 406 | (SELECT pg_get_expr(adbin, adrelid) |
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| 407 | FROM pg_attrdef |
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| 408 | WHERE c.oid = pg_attrdef.adrelid |
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| 409 | AND pg_attrdef.adnum=a.attnum |
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| 410 | ) AS default, |
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| 411 | (SELECT pg_description.description |
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| 412 | FROM pg_description WHERE pg_description.objoid = c.oid AND a.attnum = pg_description.objsubid |
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| 413 | ) AS comment |
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| 414 | FROM pg_attribute a, pg_class c, pg_type t, pg_namespace n |
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| 415 | WHERE " . $this->getTableWhereClause($table, 'c', 'n') . ' |
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| 416 | AND a.attnum > 0 |
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| 417 | AND a.attrelid = c.oid |
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| 418 | AND a.atttypid = t.oid |
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| 419 | AND n.oid = c.relnamespace |
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| 420 | ORDER BY a.attnum'; |
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| 421 | } |
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| 422 | |||
| 423 | /** |
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| 424 | * {@inheritDoc} |
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| 425 | */ |
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| 426 | public function getCreateDatabaseSQL($name) |
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| 427 | { |
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| 428 | return 'CREATE DATABASE ' . $name; |
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| 429 | } |
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| 430 | |||
| 431 | /** |
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| 432 | * Returns the SQL statement for disallowing new connections on the given database. |
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| 433 | * |
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| 434 | * This is useful to force DROP DATABASE operations which could fail because of active connections. |
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| 435 | * |
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| 436 | * @param string $database The name of the database to disallow new connections for. |
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| 437 | * |
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| 438 | * @return string |
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| 439 | */ |
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| 440 | public function getDisallowDatabaseConnectionsSQL($database) |
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| 441 | { |
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| 442 | return "UPDATE pg_database SET datallowconn = 'false' WHERE datname = " . $this->quoteStringLiteral($database); |
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| 443 | } |
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| 444 | |||
| 445 | /** |
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| 446 | * Returns the SQL statement for closing currently active connections on the given database. |
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| 447 | * |
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| 448 | * This is useful to force DROP DATABASE operations which could fail because of active connections. |
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| 449 | * |
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| 450 | * @param string $database The name of the database to close currently active connections for. |
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| 451 | * |
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| 452 | * @return string |
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| 453 | */ |
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| 454 | public function getCloseActiveDatabaseConnectionsSQL($database) |
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| 455 | { |
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| 456 | return 'SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = ' |
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| 457 | . $this->quoteStringLiteral($database); |
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| 458 | } |
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| 459 | |||
| 460 | /** |
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| 461 | * {@inheritDoc} |
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| 462 | */ |
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| 463 | public function getAdvancedForeignKeyOptionsSQL(ForeignKeyConstraint $foreignKey) |
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| 464 | { |
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| 465 | $query = ''; |
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| 466 | |||
| 467 | if ($foreignKey->hasOption('match')) { |
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| 468 | $query .= ' MATCH ' . $foreignKey->getOption('match'); |
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| 469 | } |
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| 470 | |||
| 471 | $query .= parent::getAdvancedForeignKeyOptionsSQL($foreignKey); |
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| 472 | |||
| 473 | if ($foreignKey->hasOption('deferrable') && $foreignKey->getOption('deferrable') !== false) { |
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| 474 | $query .= ' DEFERRABLE'; |
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| 475 | } else { |
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| 476 | $query .= ' NOT DEFERRABLE'; |
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| 477 | } |
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| 478 | |||
| 479 | if (($foreignKey->hasOption('feferred') && $foreignKey->getOption('feferred') !== false) |
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| 480 | || ($foreignKey->hasOption('deferred') && $foreignKey->getOption('deferred') !== false) |
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| 481 | ) { |
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| 482 | $query .= ' INITIALLY DEFERRED'; |
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| 483 | } else { |
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| 484 | $query .= ' INITIALLY IMMEDIATE'; |
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| 485 | } |
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| 486 | |||
| 487 | return $query; |
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| 488 | } |
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| 489 | |||
| 490 | /** |
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| 491 | * {@inheritDoc} |
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| 492 | */ |
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| 493 | public function getAlterTableSQL(TableDiff $diff) |
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| 494 | { |
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| 495 | $sql = []; |
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| 496 | $commentsSQL = []; |
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| 497 | $columnSql = []; |
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| 498 | |||
| 499 | foreach ($diff->addedColumns as $column) { |
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| 500 | if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) { |
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| 501 | continue; |
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| 502 | } |
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| 503 | |||
| 504 | $query = 'ADD ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray()); |
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| 505 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query; |
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| 506 | |||
| 507 | $comment = $this->getColumnComment($column); |
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| 508 | |||
| 509 | if ($comment === null || $comment === '') { |
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| 510 | continue; |
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| 511 | } |
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| 512 | |||
| 513 | $commentsSQL[] = $this->getCommentOnColumnSQL( |
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| 514 | $diff->getName($this)->getQuotedName($this), |
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| 515 | $column->getQuotedName($this), |
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| 516 | $comment |
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| 517 | ); |
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| 518 | } |
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| 519 | |||
| 520 | foreach ($diff->removedColumns as $column) { |
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| 521 | if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) { |
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| 522 | continue; |
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| 523 | } |
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| 524 | |||
| 525 | $query = 'DROP ' . $column->getQuotedName($this); |
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| 526 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query; |
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| 527 | } |
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| 528 | |||
| 529 | foreach ($diff->changedColumns as $columnDiff) { |
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| 530 | /** @var $columnDiff \Doctrine\DBAL\Schema\ColumnDiff */ |
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| 531 | if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) { |
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| 532 | continue; |
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| 533 | } |
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| 534 | |||
| 535 | if ($this->isUnchangedBinaryColumn($columnDiff)) { |
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| 536 | continue; |
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| 537 | } |
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| 538 | |||
| 539 | $oldColumnName = $columnDiff->getOldColumnName()->getQuotedName($this); |
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| 540 | $column = $columnDiff->column; |
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| 541 | |||
| 542 | if ($columnDiff->hasChanged('type') || $columnDiff->hasChanged('precision') || $columnDiff->hasChanged('scale') || $columnDiff->hasChanged('fixed')) { |
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| 543 | $type = $column->getType(); |
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| 544 | |||
| 545 | // SERIAL/BIGSERIAL are not "real" types and we can't alter a column to that type |
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| 546 | $columnDefinition = $column->toArray(); |
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| 547 | $columnDefinition['autoincrement'] = false; |
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| 548 | |||
| 549 | // here was a server version check before, but DBAL API does not support this anymore. |
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| 550 | $query = 'ALTER ' . $oldColumnName . ' TYPE ' . $type->getSQLDeclaration($columnDefinition, $this); |
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| 551 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query; |
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| 552 | } |
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| 553 | |||
| 554 | if ($columnDiff->hasChanged('default') || $this->typeChangeBreaksDefaultValue($columnDiff)) { |
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| 555 | $defaultClause = $column->getDefault() === null |
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| 556 | ? ' DROP DEFAULT' |
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| 557 | : ' SET' . $this->getDefaultValueDeclarationSQL($column->toArray()); |
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| 558 | $query = 'ALTER ' . $oldColumnName . $defaultClause; |
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| 559 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query; |
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| 560 | } |
||
| 561 | |||
| 562 | if ($columnDiff->hasChanged('notnull')) { |
||
| 563 | $query = 'ALTER ' . $oldColumnName . ' ' . ($column->getNotnull() ? 'SET' : 'DROP') . ' NOT NULL'; |
||
| 564 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query; |
||
| 565 | } |
||
| 566 | |||
| 567 | if ($columnDiff->hasChanged('autoincrement')) { |
||
| 568 | if ($column->getAutoincrement()) { |
||
| 569 | // add autoincrement |
||
| 570 | $seqName = $this->getIdentitySequenceName($diff->name, $oldColumnName); |
||
| 571 | |||
| 572 | $sql[] = 'CREATE SEQUENCE ' . $seqName; |
||
| 573 | $sql[] = "SELECT setval('" . $seqName . "', (SELECT MAX(" . $oldColumnName . ') FROM ' . $diff->getName($this)->getQuotedName($this) . '))'; |
||
| 574 | $query = 'ALTER ' . $oldColumnName . " SET DEFAULT nextval('" . $seqName . "')"; |
||
| 575 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query; |
||
| 576 | } else { |
||
| 577 | // Drop autoincrement, but do NOT drop the sequence. It might be re-used by other tables or have |
||
| 578 | $query = 'ALTER ' . $oldColumnName . ' DROP DEFAULT'; |
||
| 579 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query; |
||
| 580 | } |
||
| 581 | } |
||
| 582 | |||
| 583 | $newComment = $this->getColumnComment($column); |
||
| 584 | $oldComment = $this->getOldColumnComment($columnDiff); |
||
| 585 | |||
| 586 | if ($columnDiff->hasChanged('comment') || ($columnDiff->fromColumn !== null && $oldComment !== $newComment)) { |
||
| 587 | $commentsSQL[] = $this->getCommentOnColumnSQL( |
||
| 588 | $diff->getName($this)->getQuotedName($this), |
||
| 589 | $column->getQuotedName($this), |
||
| 590 | $newComment |
||
| 591 | ); |
||
| 592 | } |
||
| 593 | |||
| 594 | if (! $columnDiff->hasChanged('length')) { |
||
| 595 | continue; |
||
| 596 | } |
||
| 597 | |||
| 598 | $query = 'ALTER ' . $oldColumnName . ' TYPE ' . $column->getType()->getSQLDeclaration($column->toArray(), $this); |
||
| 599 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . ' ' . $query; |
||
| 600 | } |
||
| 601 | |||
| 602 | foreach ($diff->renamedColumns as $oldColumnName => $column) { |
||
| 603 | if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) { |
||
| 604 | continue; |
||
| 605 | } |
||
| 606 | |||
| 607 | $oldColumnName = new Identifier($oldColumnName); |
||
| 608 | |||
| 609 | $sql[] = 'ALTER TABLE ' . $diff->getName($this)->getQuotedName($this) . |
||
| 610 | ' RENAME COLUMN ' . $oldColumnName->getQuotedName($this) . ' TO ' . $column->getQuotedName($this); |
||
| 611 | } |
||
| 612 | |||
| 613 | $tableSql = []; |
||
| 614 | |||
| 615 | if (! $this->onSchemaAlterTable($diff, $tableSql)) { |
||
| 616 | $sql = array_merge($sql, $commentsSQL); |
||
| 617 | |||
| 618 | $newName = $diff->getNewName(); |
||
| 619 | |||
| 620 | if ($newName !== false) { |
||
| 621 | $sql[] = sprintf( |
||
| 622 | 'ALTER TABLE %s RENAME TO %s', |
||
| 623 | $diff->getName($this)->getQuotedName($this), |
||
| 624 | $newName->getQuotedName($this) |
||
| 625 | ); |
||
| 626 | } |
||
| 627 | |||
| 628 | $sql = array_merge( |
||
| 629 | $this->getPreAlterTableIndexForeignKeySQL($diff), |
||
| 630 | $sql, |
||
| 631 | $this->getPostAlterTableIndexForeignKeySQL($diff) |
||
| 632 | ); |
||
| 633 | } |
||
| 634 | |||
| 635 | return array_merge($sql, $tableSql, $columnSql); |
||
| 636 | } |
||
| 637 | |||
| 638 | /** |
||
| 639 | * Checks whether a given column diff is a logically unchanged binary type column. |
||
| 640 | * |
||
| 641 | * Used to determine whether a column alteration for a binary type column can be skipped. |
||
| 642 | * Doctrine's {@link \Doctrine\DBAL\Types\BinaryType} and {@link \Doctrine\DBAL\Types\BlobType} |
||
| 643 | * are mapped to the same database column type on this platform as this platform |
||
| 644 | * does not have a native VARBINARY/BINARY column type. Therefore the {@link \Doctrine\DBAL\Schema\Comparator} |
||
| 645 | * might detect differences for binary type columns which do not have to be propagated |
||
| 646 | * to database as there actually is no difference at database level. |
||
| 647 | * |
||
| 648 | * @param ColumnDiff $columnDiff The column diff to check against. |
||
| 649 | * |
||
| 650 | * @return bool True if the given column diff is an unchanged binary type column, false otherwise. |
||
| 651 | */ |
||
| 652 | private function isUnchangedBinaryColumn(ColumnDiff $columnDiff) |
||
| 677 | } |
||
| 678 | |||
| 679 | /** |
||
| 680 | * {@inheritdoc} |
||
| 681 | */ |
||
| 682 | protected function getRenameIndexSQL($oldIndexName, Index $index, $tableName) |
||
| 690 | } |
||
| 691 | |||
| 692 | /** |
||
| 693 | * {@inheritdoc} |
||
| 694 | */ |
||
| 695 | public function getCommentOnColumnSQL($tableName, $columnName, $comment) |
||
| 696 | { |
||
| 697 | $tableName = new Identifier($tableName); |
||
| 698 | $columnName = new Identifier($columnName); |
||
| 699 | $comment = $comment === null ? 'NULL' : $this->quoteStringLiteral($comment); |
||
| 700 | |||
| 701 | return sprintf( |
||
| 702 | 'COMMENT ON COLUMN %s.%s IS %s', |
||
| 703 | $tableName->getQuotedName($this), |
||
| 704 | $columnName->getQuotedName($this), |
||
| 705 | $comment |
||
| 706 | ); |
||
| 707 | } |
||
| 708 | |||
| 709 | /** |
||
| 710 | * {@inheritDoc} |
||
| 711 | */ |
||
| 712 | public function getCreateSequenceSQL(Sequence $sequence) |
||
| 713 | { |
||
| 714 | return 'CREATE SEQUENCE ' . $sequence->getQuotedName($this) . |
||
| 715 | ' INCREMENT BY ' . $sequence->getAllocationSize() . |
||
| 716 | ' MINVALUE ' . $sequence->getInitialValue() . |
||
| 717 | ' START ' . $sequence->getInitialValue() . |
||
| 718 | $this->getSequenceCacheSQL($sequence); |
||
| 719 | } |
||
| 720 | |||
| 721 | /** |
||
| 722 | * {@inheritDoc} |
||
| 723 | */ |
||
| 724 | public function getAlterSequenceSQL(Sequence $sequence) |
||
| 725 | { |
||
| 726 | return 'ALTER SEQUENCE ' . $sequence->getQuotedName($this) . |
||
| 727 | ' INCREMENT BY ' . $sequence->getAllocationSize() . |
||
| 728 | $this->getSequenceCacheSQL($sequence); |
||
| 729 | } |
||
| 730 | |||
| 731 | /** |
||
| 732 | * Cache definition for sequences |
||
| 733 | * |
||
| 734 | * @return string |
||
| 735 | */ |
||
| 736 | private function getSequenceCacheSQL(Sequence $sequence) |
||
| 737 | { |
||
| 738 | if ($sequence->getCache() > 1) { |
||
| 739 | return ' CACHE ' . $sequence->getCache(); |
||
| 740 | } |
||
| 741 | |||
| 742 | return ''; |
||
| 743 | } |
||
| 744 | |||
| 745 | /** |
||
| 746 | * {@inheritDoc} |
||
| 747 | */ |
||
| 748 | public function getDropSequenceSQL($sequence) |
||
| 749 | { |
||
| 750 | if ($sequence instanceof Sequence) { |
||
| 751 | $sequence = $sequence->getQuotedName($this); |
||
| 752 | } |
||
| 753 | |||
| 754 | return 'DROP SEQUENCE ' . $sequence . ' CASCADE'; |
||
| 755 | } |
||
| 756 | |||
| 757 | /** |
||
| 758 | * {@inheritDoc} |
||
| 759 | */ |
||
| 760 | public function getCreateSchemaSQL($schemaName) |
||
| 761 | { |
||
| 762 | return 'CREATE SCHEMA ' . $schemaName; |
||
| 763 | } |
||
| 764 | |||
| 765 | /** |
||
| 766 | * {@inheritDoc} |
||
| 767 | */ |
||
| 768 | public function getDropForeignKeySQL($foreignKey, $table) |
||
| 769 | { |
||
| 770 | return $this->getDropConstraintSQL($foreignKey, $table); |
||
| 771 | } |
||
| 772 | |||
| 773 | /** |
||
| 774 | * {@inheritDoc} |
||
| 775 | */ |
||
| 776 | protected function _getCreateTableSQL($tableName, array $columns, array $options = []) |
||
| 777 | { |
||
| 778 | $queryFields = $this->getColumnDeclarationListSQL($columns); |
||
| 779 | |||
| 780 | if (isset($options['primary']) && ! empty($options['primary'])) { |
||
| 781 | $keyColumns = array_unique(array_values($options['primary'])); |
||
| 782 | $queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')'; |
||
| 783 | } |
||
| 784 | |||
| 785 | $query = 'CREATE TABLE ' . $tableName . ' (' . $queryFields . ')'; |
||
| 786 | |||
| 787 | $sql = [$query]; |
||
| 788 | |||
| 789 | if (isset($options['indexes']) && ! empty($options['indexes'])) { |
||
| 790 | foreach ($options['indexes'] as $index) { |
||
| 791 | $sql[] = $this->getCreateIndexSQL($index, $tableName); |
||
| 792 | } |
||
| 793 | } |
||
| 794 | |||
| 795 | if (isset($options['foreignKeys'])) { |
||
| 796 | foreach ((array) $options['foreignKeys'] as $definition) { |
||
| 797 | $sql[] = $this->getCreateForeignKeySQL($definition, $tableName); |
||
| 798 | } |
||
| 799 | } |
||
| 800 | |||
| 801 | return $sql; |
||
| 802 | } |
||
| 803 | |||
| 804 | /** |
||
| 805 | * Converts a single boolean value. |
||
| 806 | * |
||
| 807 | * First converts the value to its native PHP boolean type |
||
| 808 | * and passes it to the given callback function to be reconverted |
||
| 809 | * into any custom representation. |
||
| 810 | * |
||
| 811 | * @param mixed $value The value to convert. |
||
| 812 | * @param callable $callback The callback function to use for converting the real boolean value. |
||
| 813 | * |
||
| 814 | * @return mixed |
||
| 815 | * |
||
| 816 | * @throws UnexpectedValueException |
||
| 817 | */ |
||
| 818 | private function convertSingleBooleanValue($value, $callback) |
||
| 819 | { |
||
| 820 | if ($value === null) { |
||
| 821 | return $callback(null); |
||
| 822 | } |
||
| 823 | |||
| 824 | if (is_bool($value) || is_numeric($value)) { |
||
| 825 | return $callback((bool) $value); |
||
| 826 | } |
||
| 827 | |||
| 828 | if (! is_string($value)) { |
||
| 829 | return $callback(true); |
||
| 830 | } |
||
| 831 | |||
| 832 | /** |
||
| 833 | * Better safe than sorry: http://php.net/in_array#106319 |
||
| 834 | */ |
||
| 835 | if (in_array(strtolower(trim($value)), $this->booleanLiterals['false'], true)) { |
||
| 836 | return $callback(false); |
||
| 837 | } |
||
| 838 | |||
| 839 | if (in_array(strtolower(trim($value)), $this->booleanLiterals['true'], true)) { |
||
| 840 | return $callback(true); |
||
| 841 | } |
||
| 842 | |||
| 843 | throw new UnexpectedValueException("Unrecognized boolean literal '${value}'"); |
||
| 844 | } |
||
| 845 | |||
| 846 | /** |
||
| 847 | * Converts one or multiple boolean values. |
||
| 848 | * |
||
| 849 | * First converts the value(s) to their native PHP boolean type |
||
| 850 | * and passes them to the given callback function to be reconverted |
||
| 851 | * into any custom representation. |
||
| 852 | * |
||
| 853 | * @param mixed $item The value(s) to convert. |
||
| 854 | * @param callable $callback The callback function to use for converting the real boolean value(s). |
||
| 855 | * |
||
| 856 | * @return mixed |
||
| 857 | */ |
||
| 858 | private function doConvertBooleans($item, $callback) |
||
| 859 | { |
||
| 860 | if (is_array($item)) { |
||
| 861 | foreach ($item as $key => $value) { |
||
| 862 | $item[$key] = $this->convertSingleBooleanValue($value, $callback); |
||
| 863 | } |
||
| 864 | |||
| 865 | return $item; |
||
| 866 | } |
||
| 867 | |||
| 868 | return $this->convertSingleBooleanValue($item, $callback); |
||
| 869 | } |
||
| 870 | |||
| 871 | /** |
||
| 872 | * {@inheritDoc} |
||
| 873 | * |
||
| 874 | * Postgres wants boolean values converted to the strings 'true'/'false'. |
||
| 875 | */ |
||
| 876 | public function convertBooleans($item) |
||
| 877 | { |
||
| 878 | if (! $this->useBooleanTrueFalseStrings) { |
||
| 879 | return parent::convertBooleans($item); |
||
| 880 | } |
||
| 881 | |||
| 882 | return $this->doConvertBooleans( |
||
| 883 | $item, |
||
| 884 | static function ($boolean) { |
||
| 885 | if ($boolean === null) { |
||
| 886 | return 'NULL'; |
||
| 887 | } |
||
| 888 | |||
| 889 | return $boolean === true ? 'true' : 'false'; |
||
| 890 | } |
||
| 891 | ); |
||
| 892 | } |
||
| 893 | |||
| 894 | /** |
||
| 895 | * {@inheritDoc} |
||
| 896 | */ |
||
| 897 | public function convertBooleansToDatabaseValue($item) |
||
| 898 | { |
||
| 899 | if (! $this->useBooleanTrueFalseStrings) { |
||
| 900 | return parent::convertBooleansToDatabaseValue($item); |
||
| 901 | } |
||
| 902 | |||
| 903 | return $this->doConvertBooleans( |
||
| 904 | $item, |
||
| 905 | static function ($boolean) { |
||
| 906 | return $boolean === null ? null : (int) $boolean; |
||
| 907 | } |
||
| 908 | ); |
||
| 909 | } |
||
| 910 | |||
| 911 | /** |
||
| 912 | * {@inheritDoc} |
||
| 913 | */ |
||
| 914 | public function convertFromBoolean($item) |
||
| 921 | } |
||
| 922 | |||
| 923 | /** |
||
| 924 | * {@inheritDoc} |
||
| 925 | */ |
||
| 926 | public function getSequenceNextValSQL($sequenceName) |
||
| 927 | { |
||
| 928 | return "SELECT NEXTVAL('" . $sequenceName . "')"; |
||
| 929 | } |
||
| 930 | |||
| 931 | /** |
||
| 932 | * {@inheritDoc} |
||
| 933 | */ |
||
| 934 | public function getSetTransactionIsolationSQL($level) |
||
| 935 | { |
||
| 936 | return 'SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL ' |
||
| 937 | . $this->_getTransactionIsolationLevelSQL($level); |
||
| 938 | } |
||
| 939 | |||
| 940 | /** |
||
| 941 | * {@inheritDoc} |
||
| 942 | */ |
||
| 943 | public function getBooleanTypeDeclarationSQL(array $field) |
||
| 944 | { |
||
| 945 | return 'BOOLEAN'; |
||
| 946 | } |
||
| 947 | |||
| 948 | /** |
||
| 949 | * {@inheritDoc} |
||
| 950 | */ |
||
| 951 | public function getIntegerTypeDeclarationSQL(array $field) |
||
| 952 | { |
||
| 953 | if (! empty($field['autoincrement'])) { |
||
| 954 | return 'SERIAL'; |
||
| 955 | } |
||
| 956 | |||
| 957 | return 'INT'; |
||
| 958 | } |
||
| 959 | |||
| 960 | /** |
||
| 961 | * {@inheritDoc} |
||
| 962 | */ |
||
| 963 | public function getBigIntTypeDeclarationSQL(array $field) |
||
| 970 | } |
||
| 971 | |||
| 972 | /** |
||
| 973 | * {@inheritDoc} |
||
| 974 | */ |
||
| 975 | public function getSmallIntTypeDeclarationSQL(array $field) |
||
| 976 | { |
||
| 977 | if (! empty($field['autoincrement'])) { |
||
| 978 | return 'SMALLSERIAL'; |
||
| 979 | } |
||
| 980 | |||
| 981 | return 'SMALLINT'; |
||
| 982 | } |
||
| 983 | |||
| 984 | /** |
||
| 985 | * {@inheritDoc} |
||
| 986 | */ |
||
| 987 | public function getGuidTypeDeclarationSQL(array $field) |
||
| 988 | { |
||
| 989 | return 'UUID'; |
||
| 990 | } |
||
| 991 | |||
| 992 | /** |
||
| 993 | * {@inheritDoc} |
||
| 994 | */ |
||
| 995 | public function getDateTimeTypeDeclarationSQL(array $fieldDeclaration) |
||
| 996 | { |
||
| 997 | return 'TIMESTAMP(0) WITHOUT TIME ZONE'; |
||
| 998 | } |
||
| 999 | |||
| 1000 | /** |
||
| 1001 | * {@inheritDoc} |
||
| 1002 | */ |
||
| 1003 | public function getDateTimeTzTypeDeclarationSQL(array $fieldDeclaration) |
||
| 1004 | { |
||
| 1005 | return 'TIMESTAMP(0) WITH TIME ZONE'; |
||
| 1006 | } |
||
| 1007 | |||
| 1008 | /** |
||
| 1009 | * {@inheritDoc} |
||
| 1010 | */ |
||
| 1011 | public function getDateTypeDeclarationSQL(array $fieldDeclaration) |
||
| 1012 | { |
||
| 1013 | return 'DATE'; |
||
| 1014 | } |
||
| 1015 | |||
| 1016 | /** |
||
| 1017 | * {@inheritDoc} |
||
| 1018 | */ |
||
| 1019 | public function getTimeTypeDeclarationSQL(array $fieldDeclaration) |
||
| 1020 | { |
||
| 1021 | return 'TIME(0) WITHOUT TIME ZONE'; |
||
| 1022 | } |
||
| 1023 | |||
| 1024 | /** |
||
| 1025 | * {@inheritDoc} |
||
| 1026 | * |
||
| 1027 | * @deprecated Use application-generated UUIDs instead |
||
| 1028 | */ |
||
| 1029 | public function getGuidExpression() |
||
| 1030 | { |
||
| 1031 | return 'UUID_GENERATE_V4()'; |
||
| 1032 | } |
||
| 1033 | |||
| 1034 | /** |
||
| 1035 | * {@inheritDoc} |
||
| 1036 | */ |
||
| 1037 | protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef) |
||
| 1038 | { |
||
| 1039 | return ''; |
||
| 1040 | } |
||
| 1041 | |||
| 1042 | /** |
||
| 1043 | * {@inheritDoc} |
||
| 1044 | */ |
||
| 1045 | protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed) |
||
| 1046 | { |
||
| 1047 | return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)') |
||
| 1048 | : ($length ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)'); |
||
| 1049 | } |
||
| 1050 | |||
| 1051 | /** |
||
| 1052 | * {@inheritdoc} |
||
| 1053 | */ |
||
| 1054 | protected function getBinaryTypeDeclarationSQLSnippet($length, $fixed) |
||
| 1057 | } |
||
| 1058 | |||
| 1059 | /** |
||
| 1060 | * {@inheritDoc} |
||
| 1061 | */ |
||
| 1062 | public function getClobTypeDeclarationSQL(array $field) |
||
| 1063 | { |
||
| 1064 | return 'TEXT'; |
||
| 1065 | } |
||
| 1066 | |||
| 1067 | /** |
||
| 1068 | * {@inheritDoc} |
||
| 1069 | */ |
||
| 1070 | public function getName() |
||
| 1071 | { |
||
| 1072 | return 'postgresql'; |
||
| 1073 | } |
||
| 1074 | |||
| 1075 | /** |
||
| 1076 | * {@inheritDoc} |
||
| 1077 | * |
||
| 1078 | * PostgreSQL returns all column names in SQL result sets in lowercase. |
||
| 1079 | */ |
||
| 1080 | public function getSQLResultCasing($column) |
||
| 1081 | { |
||
| 1082 | return strtolower($column); |
||
| 1083 | } |
||
| 1084 | |||
| 1085 | /** |
||
| 1086 | * {@inheritDoc} |
||
| 1087 | */ |
||
| 1088 | public function getDateTimeTzFormatString() |
||
| 1089 | { |
||
| 1090 | return 'Y-m-d H:i:sO'; |
||
| 1091 | } |
||
| 1092 | |||
| 1093 | /** |
||
| 1094 | * {@inheritDoc} |
||
| 1095 | */ |
||
| 1096 | public function getEmptyIdentityInsertSQL($quotedTableName, $quotedIdentifierColumnName) |
||
| 1097 | { |
||
| 1098 | return 'INSERT INTO ' . $quotedTableName . ' (' . $quotedIdentifierColumnName . ') VALUES (DEFAULT)'; |
||
| 1099 | } |
||
| 1100 | |||
| 1101 | /** |
||
| 1102 | * {@inheritDoc} |
||
| 1103 | */ |
||
| 1104 | public function getTruncateTableSQL($tableName, $cascade = false) |
||
| 1105 | { |
||
| 1106 | $tableIdentifier = new Identifier($tableName); |
||
| 1107 | $sql = 'TRUNCATE ' . $tableIdentifier->getQuotedName($this); |
||
| 1108 | |||
| 1109 | if ($cascade) { |
||
| 1110 | $sql .= ' CASCADE'; |
||
| 1111 | } |
||
| 1112 | |||
| 1113 | return $sql; |
||
| 1114 | } |
||
| 1115 | |||
| 1116 | /** |
||
| 1117 | * {@inheritDoc} |
||
| 1118 | */ |
||
| 1119 | public function getReadLockSQL() |
||
| 1120 | { |
||
| 1121 | return 'FOR SHARE'; |
||
| 1122 | } |
||
| 1123 | |||
| 1124 | /** |
||
| 1125 | * {@inheritDoc} |
||
| 1126 | */ |
||
| 1127 | protected function initializeDoctrineTypeMappings() |
||
| 1128 | { |
||
| 1129 | $this->doctrineTypeMapping = [ |
||
| 1130 | 'bigint' => 'bigint', |
||
| 1131 | 'bigserial' => 'bigint', |
||
| 1132 | 'bool' => 'boolean', |
||
| 1133 | 'boolean' => 'boolean', |
||
| 1134 | 'bpchar' => 'string', |
||
| 1135 | 'bytea' => 'blob', |
||
| 1136 | 'char' => 'string', |
||
| 1137 | 'date' => 'date', |
||
| 1138 | 'datetime' => 'datetime', |
||
| 1139 | 'decimal' => 'decimal', |
||
| 1140 | 'double' => 'float', |
||
| 1141 | 'double precision' => 'float', |
||
| 1142 | 'float' => 'float', |
||
| 1143 | 'float4' => 'float', |
||
| 1144 | 'float8' => 'float', |
||
| 1145 | 'inet' => 'string', |
||
| 1146 | 'int' => 'integer', |
||
| 1147 | 'int2' => 'smallint', |
||
| 1148 | 'int4' => 'integer', |
||
| 1149 | 'int8' => 'bigint', |
||
| 1150 | 'integer' => 'integer', |
||
| 1151 | 'interval' => 'string', |
||
| 1152 | 'json' => Type::JSON, |
||
| 1153 | 'jsonb' => Type::JSON, |
||
| 1154 | 'money' => 'decimal', |
||
| 1155 | 'numeric' => 'decimal', |
||
| 1156 | 'serial' => 'integer', |
||
| 1157 | 'serial4' => 'integer', |
||
| 1158 | 'serial8' => 'bigint', |
||
| 1159 | 'real' => 'float', |
||
| 1160 | 'smallint' => 'smallint', |
||
| 1161 | 'text' => 'text', |
||
| 1162 | 'time' => 'time', |
||
| 1163 | 'timestamp' => 'datetime', |
||
| 1164 | 'timestamptz' => 'datetimetz', |
||
| 1165 | 'timetz' => 'time', |
||
| 1166 | 'tsvector' => 'text', |
||
| 1167 | 'uuid' => 'guid', |
||
| 1168 | 'varchar' => 'string', |
||
| 1169 | 'year' => 'date', |
||
| 1170 | '_varchar' => 'string', |
||
| 1171 | ]; |
||
| 1172 | } |
||
| 1173 | |||
| 1174 | /** |
||
| 1175 | * {@inheritDoc} |
||
| 1176 | */ |
||
| 1177 | public function getVarcharMaxLength() |
||
| 1178 | { |
||
| 1179 | return 65535; |
||
| 1180 | } |
||
| 1181 | |||
| 1182 | /** |
||
| 1183 | * {@inheritdoc} |
||
| 1184 | */ |
||
| 1185 | public function getBinaryMaxLength() |
||
| 1186 | { |
||
| 1187 | return 0; |
||
| 1188 | } |
||
| 1189 | |||
| 1190 | /** |
||
| 1191 | * {@inheritdoc} |
||
| 1192 | */ |
||
| 1193 | public function getBinaryDefaultLength() |
||
| 1194 | { |
||
| 1195 | return 0; |
||
| 1196 | } |
||
| 1197 | |||
| 1198 | /** |
||
| 1199 | * {@inheritdoc} |
||
| 1200 | */ |
||
| 1201 | public function hasNativeJsonType() |
||
| 1204 | } |
||
| 1205 | |||
| 1206 | /** |
||
| 1207 | * {@inheritDoc} |
||
| 1208 | */ |
||
| 1209 | protected function getReservedKeywordsClass() |
||
| 1210 | { |
||
| 1211 | return Keywords\PostgreSQLKeywords::class; |
||
| 1212 | } |
||
| 1213 | |||
| 1214 | /** |
||
| 1215 | * {@inheritDoc} |
||
| 1216 | */ |
||
| 1217 | public function getBlobTypeDeclarationSQL(array $field) |
||
| 1218 | { |
||
| 1219 | return 'BYTEA'; |
||
| 1220 | } |
||
| 1221 | |||
| 1222 | /** |
||
| 1223 | * {@inheritdoc} |
||
| 1224 | */ |
||
| 1225 | public function getDefaultValueDeclarationSQL($field) |
||
| 1226 | { |
||
| 1227 | if ($this->isSerialField($field)) { |
||
| 1228 | return ''; |
||
| 1229 | } |
||
| 1230 | |||
| 1231 | return parent::getDefaultValueDeclarationSQL($field); |
||
| 1232 | } |
||
| 1233 | |||
| 1234 | /** |
||
| 1235 | * {@inheritdoc} |
||
| 1236 | */ |
||
| 1237 | public function supportsColumnCollation() |
||
| 1238 | { |
||
| 1239 | return true; |
||
| 1240 | } |
||
| 1241 | |||
| 1242 | /** |
||
| 1243 | * {@inheritdoc} |
||
| 1244 | */ |
||
| 1245 | public function getColumnCollationDeclarationSQL($collation) |
||
| 1246 | { |
||
| 1247 | return 'COLLATE ' . $this->quoteSingleIdentifier($collation); |
||
| 1248 | } |
||
| 1249 | |||
| 1250 | /** |
||
| 1251 | * {@inheritdoc} |
||
| 1252 | */ |
||
| 1253 | public function getJsonTypeDeclarationSQL(array $field) |
||
| 1260 | } |
||
| 1261 | |||
| 1262 | /** |
||
| 1263 | * @param mixed[] $field |
||
| 1264 | */ |
||
| 1265 | private function isSerialField(array $field) : bool |
||
| 1266 | { |
||
| 1267 | return isset($field['type'], $field['autoincrement']) |
||
| 1268 | && $field['autoincrement'] === true |
||
| 1269 | && $this->isNumericType($field['type']); |
||
| 1270 | } |
||
| 1271 | |||
| 1272 | /** |
||
| 1273 | * Check whether the type of a column is changed in a way that invalidates the default value for the column |
||
| 1274 | */ |
||
| 1275 | private function typeChangeBreaksDefaultValue(ColumnDiff $columnDiff) : bool |
||
| 1276 | { |
||
| 1277 | if (! $columnDiff->fromColumn) { |
||
| 1278 | return $columnDiff->hasChanged('type'); |
||
| 1279 | } |
||
| 1280 | |||
| 1281 | $oldTypeIsNumeric = $this->isNumericType($columnDiff->fromColumn->getType()); |
||
| 1282 | $newTypeIsNumeric = $this->isNumericType($columnDiff->column->getType()); |
||
| 1283 | |||
| 1284 | // default should not be changed when switching between numeric types and the default comes from a sequence |
||
| 1285 | return $columnDiff->hasChanged('type') |
||
| 1286 | && ! ($oldTypeIsNumeric && $newTypeIsNumeric && $columnDiff->column->getAutoincrement()); |
||
| 1287 | } |
||
| 1288 | |||
| 1289 | private function isNumericType(Type $type) : bool |
||
| 1292 | } |
||
| 1293 | |||
| 1294 | private function getOldColumnComment(ColumnDiff $columnDiff) : ?string |
||
| 1295 | { |
||
| 1296 | return $columnDiff->fromColumn ? $this->getColumnComment($columnDiff->fromColumn) : null; |
||
| 1297 | } |
||
| 1298 | |||
| 1299 | public function getListTableMetadataSQL(string $table, ?string $schema = null) : string |
||
| 1300 | { |
||
| 1301 | if ($schema !== null) { |
||
| 1302 | $table = $schema . '.' . $table; |
||
| 1303 | } |
||
| 1304 | |||
| 1305 | return sprintf( |
||
| 1306 | <<<'SQL' |
||
| 1307 | SELECT obj_description(%s::regclass) AS table_comment; |
||
| 1308 | SQL |
||
| 1309 | , |
||
| 1310 | $this->quoteStringLiteral($table) |
||
| 1311 | ); |
||
| 1312 | } |
||
| 1313 | } |
||
| 1314 |
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.