| Total Complexity | 62 | 
| Total Lines | 735 | 
| Duplicated Lines | 0 % | 
| Changes | 0 | ||
Complex classes like DB2PlatformTest 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 DB2PlatformTest, and based on these observations, apply Extract Interface, too.
| 1 | <?php  | 
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| 18 | class DB2PlatformTest extends AbstractPlatformTestCase  | 
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| 19 | { | 
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| 20 | /** @var DB2Platform */  | 
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| 21 | protected $platform;  | 
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| 22 | |||
| 23 | public function createPlatform() : AbstractPlatform  | 
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| 24 |     { | 
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| 25 | return new DB2Platform();  | 
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| 26 | }  | 
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| 27 | |||
| 28 | /**  | 
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| 29 |      * {@inheritDoc} | 
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| 30 | */  | 
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| 31 | public function getGenerateAlterTableSql() : array  | 
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| 32 |     { | 
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| 33 | return [  | 
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| 34 | 'ALTER TABLE mytable ALTER COLUMN baz SET DATA TYPE VARCHAR(255)',  | 
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| 35 | 'ALTER TABLE mytable ALTER COLUMN baz SET NOT NULL',  | 
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| 36 | "ALTER TABLE mytable ALTER COLUMN baz SET DEFAULT 'def'",  | 
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| 37 | 'ALTER TABLE mytable ALTER COLUMN bloo SET DATA TYPE SMALLINT',  | 
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| 38 | 'ALTER TABLE mytable ALTER COLUMN bloo SET NOT NULL',  | 
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| 39 | "ALTER TABLE mytable ALTER COLUMN bloo SET DEFAULT '0'",  | 
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| 40 | 'ALTER TABLE mytable ' .  | 
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| 41 | 'ADD COLUMN quota INTEGER DEFAULT NULL ' .  | 
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| 42 | 'DROP COLUMN foo',  | 
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| 43 |             "CALL SYSPROC.ADMIN_CMD ('REORG TABLE mytable')", | 
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| 44 | 'RENAME TABLE mytable TO userlist',  | 
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| 45 | ];  | 
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| 46 | }  | 
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| 47 | |||
| 48 | public function getGenerateForeignKeySql() : string  | 
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| 49 |     { | 
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| 50 | return 'ALTER TABLE test ADD FOREIGN KEY (fk_name_id) REFERENCES other_table (id)';  | 
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| 51 | }  | 
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| 52 | |||
| 53 | public function getGenerateIndexSql() : string  | 
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| 54 |     { | 
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| 55 | return 'CREATE INDEX my_idx ON mytable (user_name, last_login)';  | 
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| 56 | }  | 
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| 57 | |||
| 58 | public function getGenerateTableSql() : string  | 
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| 59 |     { | 
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| 60 | return 'CREATE TABLE test (id INTEGER GENERATED BY DEFAULT AS IDENTITY NOT NULL, test VARCHAR(255) DEFAULT NULL, PRIMARY KEY(id))';  | 
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| 61 | }  | 
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| 62 | |||
| 63 | /**  | 
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| 64 |      * {@inheritDoc} | 
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| 65 | */  | 
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| 66 | public function getGenerateTableWithMultiColumnUniqueIndexSql() : array  | 
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| 67 |     { | 
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| 68 | return [  | 
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| 69 | 'CREATE TABLE test (foo VARCHAR(255) DEFAULT NULL, bar VARCHAR(255) DEFAULT NULL)',  | 
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| 70 | 'CREATE UNIQUE INDEX UNIQ_D87F7E0C8C73652176FF8CAA ON test (foo, bar)',  | 
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| 71 | ];  | 
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| 72 | }  | 
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| 73 | |||
| 74 | public function getGenerateUniqueIndexSql() : string  | 
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| 75 |     { | 
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| 76 | return 'CREATE UNIQUE INDEX index_name ON test (test, test2)';  | 
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| 77 | }  | 
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| 78 | |||
| 79 | /**  | 
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| 80 |      * {@inheritDoc} | 
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| 81 | */  | 
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| 82 | protected function getQuotedColumnInForeignKeySQL() : array  | 
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| 83 |     { | 
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| 84 | return [  | 
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| 85 |             'CREATE TABLE "quoted" ("create" VARCHAR(255) NOT NULL, foo VARCHAR(255) NOT NULL, "bar" VARCHAR(255) NOT NULL)', | 
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| 86 |             'ALTER TABLE "quoted" ADD CONSTRAINT FK_WITH_RESERVED_KEYWORD FOREIGN KEY ("create", foo, "bar") REFERENCES "foreign" ("create", bar, "foo-bar")', | 
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| 87 |             'ALTER TABLE "quoted" ADD CONSTRAINT FK_WITH_NON_RESERVED_KEYWORD FOREIGN KEY ("create", foo, "bar") REFERENCES foo ("create", bar, "foo-bar")', | 
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| 88 |             'ALTER TABLE "quoted" ADD CONSTRAINT FK_WITH_INTENDED_QUOTATION FOREIGN KEY ("create", foo, "bar") REFERENCES "foo-bar" ("create", bar, "foo-bar")', | 
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| 89 | ];  | 
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| 90 | }  | 
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| 91 | |||
| 92 | /**  | 
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| 93 |      * {@inheritDoc} | 
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| 94 | */  | 
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| 95 | protected function getQuotedColumnInIndexSQL() : array  | 
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| 96 |     { | 
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| 97 | return [  | 
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| 98 |             'CREATE TABLE "quoted" ("create" VARCHAR(255) NOT NULL)', | 
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| 99 |             'CREATE INDEX IDX_22660D028FD6E0FB ON "quoted" ("create")', | 
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| 100 | ];  | 
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| 101 | }  | 
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| 102 | |||
| 103 | /**  | 
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| 104 |      * {@inheritDoc} | 
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| 105 | */  | 
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| 106 | protected function getQuotedNameInIndexSQL() : array  | 
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| 107 |     { | 
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| 108 | return [  | 
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| 109 | 'CREATE TABLE test (column1 VARCHAR(255) NOT NULL)',  | 
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| 110 | 'CREATE INDEX "key" ON test (column1)',  | 
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| 111 | ];  | 
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| 112 | }  | 
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| 113 | |||
| 114 | /**  | 
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| 115 |      * {@inheritDoc} | 
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| 116 | */  | 
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| 117 | protected function getQuotedColumnInPrimaryKeySQL() : array  | 
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| 118 |     { | 
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| 119 |         return ['CREATE TABLE "quoted" ("create" VARCHAR(255) NOT NULL, PRIMARY KEY("create"))']; | 
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| 120 | }  | 
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| 121 | |||
| 122 | protected function getBitAndComparisonExpressionSql(string $value1, string $value2) : string  | 
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| 123 |     { | 
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| 124 |         return 'BITAND(' . $value1 . ', ' . $value2 . ')'; | 
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| 125 | }  | 
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| 126 | |||
| 127 | protected function getBitOrComparisonExpressionSql(string $value1, string $value2) : string  | 
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| 128 |     { | 
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| 129 |         return 'BITOR(' . $value1 . ', ' . $value2 . ')'; | 
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| 130 | }  | 
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| 131 | |||
| 132 | /**  | 
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| 133 |      * {@inheritDoc} | 
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| 134 | */  | 
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| 135 | public function getCreateTableColumnCommentsSQL() : array  | 
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| 136 |     { | 
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| 137 | return [  | 
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| 138 | 'CREATE TABLE test (id INTEGER NOT NULL, PRIMARY KEY(id))',  | 
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| 139 | "COMMENT ON COLUMN test.id IS 'This is a comment'",  | 
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| 140 | ];  | 
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| 141 | }  | 
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| 142 | |||
| 143 | /**  | 
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| 144 |      * {@inheritDoc} | 
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| 145 | */  | 
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| 146 | public function getAlterTableColumnCommentsSQL() : array  | 
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| 147 |     { | 
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| 148 | return [  | 
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| 149 | 'ALTER TABLE mytable ' .  | 
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| 150 | 'ADD COLUMN quota INTEGER NOT NULL WITH DEFAULT',  | 
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| 151 |             "CALL SYSPROC.ADMIN_CMD ('REORG TABLE mytable')", | 
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| 152 | "COMMENT ON COLUMN mytable.quota IS 'A comment'",  | 
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| 153 | "COMMENT ON COLUMN mytable.foo IS ''",  | 
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| 154 | "COMMENT ON COLUMN mytable.baz IS 'B comment'",  | 
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| 155 | ];  | 
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| 156 | }  | 
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| 157 | |||
| 158 | /**  | 
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| 159 |      * {@inheritDoc} | 
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| 160 | */  | 
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| 161 | public function getCreateTableColumnTypeCommentsSQL() : array  | 
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| 162 |     { | 
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| 163 | return [  | 
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| 164 | 'CREATE TABLE test (id INTEGER NOT NULL, "data" CLOB(1M) NOT NULL, PRIMARY KEY(id))',  | 
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| 165 | 'COMMENT ON COLUMN test."data" IS \'(DC2Type:array)\'',  | 
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| 166 | ];  | 
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| 167 | }  | 
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| 168 | |||
| 169 | public function testHasCorrectPlatformName() : void  | 
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| 170 |     { | 
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| 171 |         self::assertEquals('db2', $this->platform->getName()); | 
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| 172 | }  | 
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| 173 | |||
| 174 | public function testGeneratesCreateTableSQLWithCommonIndexes() : void  | 
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| 175 |     { | 
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| 176 |         $table = new Table('test'); | 
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| 177 |         $table->addColumn('id', 'integer'); | 
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| 178 |         $table->addColumn('name', 'string', ['length' => 50]); | 
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| 179 | $table->setPrimaryKey(['id']);  | 
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| 180 | $table->addIndex(['name']);  | 
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| 181 | $table->addIndex(['id', 'name'], 'composite_idx');  | 
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| 182 | |||
| 183 | self::assertEquals(  | 
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| 184 | [  | 
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| 185 | 'CREATE TABLE test (id INTEGER NOT NULL, name VARCHAR(50) NOT NULL, PRIMARY KEY(id))',  | 
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| 186 | 'CREATE INDEX IDX_D87F7E0C5E237E06 ON test (name)',  | 
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| 187 | 'CREATE INDEX composite_idx ON test (id, name)',  | 
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| 188 | ],  | 
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| 189 | $this->platform->getCreateTableSQL($table)  | 
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| 190 | );  | 
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| 191 | }  | 
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| 192 | |||
| 193 | public function testGeneratesCreateTableSQLWithForeignKeyConstraints() : void  | 
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| 194 |     { | 
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| 195 |         $table = new Table('test'); | 
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| 196 |         $table->addColumn('id', 'integer'); | 
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| 197 |         $table->addColumn('fk_1', 'integer'); | 
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| 198 |         $table->addColumn('fk_2', 'integer'); | 
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| 199 | $table->setPrimaryKey(['id']);  | 
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| 200 |         $table->addForeignKeyConstraint('foreign_table', ['fk_1', 'fk_2'], ['pk_1', 'pk_2']); | 
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| 201 | $table->addForeignKeyConstraint(  | 
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| 202 | 'foreign_table2',  | 
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| 203 | ['fk_1', 'fk_2'],  | 
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| 204 | ['pk_1', 'pk_2'],  | 
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| 205 | [],  | 
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| 206 | 'named_fk'  | 
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| 207 | );  | 
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| 208 | |||
| 209 | self::assertEquals(  | 
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| 210 | [  | 
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| 211 | 'CREATE TABLE test (id INTEGER NOT NULL, fk_1 INTEGER NOT NULL, fk_2 INTEGER NOT NULL)',  | 
            ||
| 212 | 'ALTER TABLE test ADD CONSTRAINT FK_D87F7E0C177612A38E7F4319 FOREIGN KEY (fk_1, fk_2) REFERENCES foreign_table (pk_1, pk_2)',  | 
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| 213 | 'ALTER TABLE test ADD CONSTRAINT named_fk FOREIGN KEY (fk_1, fk_2) REFERENCES foreign_table2 (pk_1, pk_2)',  | 
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| 214 | ],  | 
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| 215 | $this->platform->getCreateTableSQL($table, AbstractPlatform::CREATE_FOREIGNKEYS)  | 
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| 216 | );  | 
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| 217 | }  | 
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| 218 | |||
| 219 | public function testGeneratesCreateTableSQLWithCheckConstraints() : void  | 
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| 220 |     { | 
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| 221 |         $table = new Table('test'); | 
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| 222 |         $table->addColumn('id', 'integer'); | 
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| 223 |         $table->addColumn('check_max', 'integer', ['platformOptions' => ['max' => 10]]); | 
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| 224 |         $table->addColumn('check_min', 'integer', ['platformOptions' => ['min' => 10]]); | 
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| 225 | $table->setPrimaryKey(['id']);  | 
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| 226 | |||
| 227 | self::assertEquals(  | 
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| 228 | ['CREATE TABLE test (id INTEGER NOT NULL, check_max INTEGER NOT NULL, check_min INTEGER NOT NULL, PRIMARY KEY(id), CHECK (check_max <= 10), CHECK (check_min >= 10))'],  | 
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| 229 | $this->platform->getCreateTableSQL($table)  | 
            ||
| 230 | );  | 
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| 231 | }  | 
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| 232 | |||
| 233 | public function testGeneratesColumnTypesDeclarationSQL() : void  | 
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| 234 |     { | 
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| 235 | $fullColumnDef = [  | 
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| 236 | 'length' => 10,  | 
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| 237 | 'fixed' => true,  | 
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| 238 | 'unsigned' => true,  | 
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| 239 | 'autoincrement' => true,  | 
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| 240 | ];  | 
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| 241 | |||
| 242 |         self::assertEquals('SMALLINT', $this->platform->getSmallIntTypeDeclarationSQL([])); | 
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| 243 |         self::assertEquals('SMALLINT', $this->platform->getSmallIntTypeDeclarationSQL(['unsigned' => true])); | 
            ||
| 244 |         self::assertEquals('SMALLINT GENERATED BY DEFAULT AS IDENTITY', $this->platform->getSmallIntTypeDeclarationSQL($fullColumnDef)); | 
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| 245 |         self::assertEquals('INTEGER', $this->platform->getIntegerTypeDeclarationSQL([])); | 
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| 246 |         self::assertEquals('INTEGER', $this->platform->getIntegerTypeDeclarationSQL(['unsigned' => true])); | 
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| 247 |         self::assertEquals('INTEGER GENERATED BY DEFAULT AS IDENTITY', $this->platform->getIntegerTypeDeclarationSQL($fullColumnDef)); | 
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| 248 |         self::assertEquals('BIGINT', $this->platform->getBigIntTypeDeclarationSQL([])); | 
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| 249 |         self::assertEquals('BIGINT', $this->platform->getBigIntTypeDeclarationSQL(['unsigned' => true])); | 
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| 250 |         self::assertEquals('BIGINT GENERATED BY DEFAULT AS IDENTITY', $this->platform->getBigIntTypeDeclarationSQL($fullColumnDef)); | 
            ||
| 251 |         self::assertEquals('BLOB(1M)', $this->platform->getBlobTypeDeclarationSQL($fullColumnDef)); | 
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| 252 |         self::assertEquals('SMALLINT', $this->platform->getBooleanTypeDeclarationSQL($fullColumnDef)); | 
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| 253 |         self::assertEquals('CLOB(1M)', $this->platform->getClobTypeDeclarationSQL($fullColumnDef)); | 
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| 254 |         self::assertEquals('DATE', $this->platform->getDateTypeDeclarationSQL($fullColumnDef)); | 
            ||
| 255 |         self::assertEquals('TIMESTAMP(0) WITH DEFAULT', $this->platform->getDateTimeTypeDeclarationSQL(['version' => true])); | 
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| 256 |         self::assertEquals('TIMESTAMP(0)', $this->platform->getDateTimeTypeDeclarationSQL($fullColumnDef)); | 
            ||
| 257 |         self::assertEquals('TIME', $this->platform->getTimeTypeDeclarationSQL($fullColumnDef)); | 
            ||
| 258 | }  | 
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| 259 | |||
| 260 | public function testInitializesDoctrineTypeMappings() : void  | 
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| 261 |     { | 
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| 262 | $this->platform->initializeDoctrineTypeMappings();  | 
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| 263 | |||
| 264 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('smallint')); | 
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| 265 |         self::assertSame('smallint', $this->platform->getDoctrineTypeMapping('smallint')); | 
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| 266 | |||
| 267 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('bigint')); | 
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| 268 |         self::assertSame('bigint', $this->platform->getDoctrineTypeMapping('bigint')); | 
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| 269 | |||
| 270 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('integer')); | 
            ||
| 271 |         self::assertSame('integer', $this->platform->getDoctrineTypeMapping('integer')); | 
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| 272 | |||
| 273 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('time')); | 
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| 274 |         self::assertSame('time', $this->platform->getDoctrineTypeMapping('time')); | 
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| 275 | |||
| 276 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('date')); | 
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| 277 |         self::assertSame('date', $this->platform->getDoctrineTypeMapping('date')); | 
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| 278 | |||
| 279 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('varchar')); | 
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| 280 |         self::assertSame('string', $this->platform->getDoctrineTypeMapping('varchar')); | 
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| 281 | |||
| 282 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('character')); | 
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| 283 |         self::assertSame('string', $this->platform->getDoctrineTypeMapping('character')); | 
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| 284 | |||
| 285 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('clob')); | 
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| 286 |         self::assertSame('text', $this->platform->getDoctrineTypeMapping('clob')); | 
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| 287 | |||
| 288 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('blob')); | 
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| 289 |         self::assertSame('blob', $this->platform->getDoctrineTypeMapping('blob')); | 
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| 290 | |||
| 291 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('decimal')); | 
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| 292 |         self::assertSame('decimal', $this->platform->getDoctrineTypeMapping('decimal')); | 
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| 293 | |||
| 294 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('double')); | 
            ||
| 295 |         self::assertSame('float', $this->platform->getDoctrineTypeMapping('double')); | 
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| 296 | |||
| 297 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('real')); | 
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| 298 |         self::assertSame('float', $this->platform->getDoctrineTypeMapping('real')); | 
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| 299 | |||
| 300 |         self::assertTrue($this->platform->hasDoctrineTypeMappingFor('timestamp')); | 
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| 301 |         self::assertSame('datetime', $this->platform->getDoctrineTypeMapping('timestamp')); | 
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| 302 | }  | 
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| 303 | |||
| 304 | /**  | 
            ||
| 305 |      * {@inheritDoc} | 
            ||
| 306 | */  | 
            ||
| 307 | public function getIsCommentedDoctrineType() : array  | 
            ||
| 308 |     { | 
            ||
| 309 | $data = parent::getIsCommentedDoctrineType();  | 
            ||
| 310 | |||
| 311 | $data[Types::BOOLEAN] = [Type::getType(Types::BOOLEAN), true];  | 
            ||
| 312 | |||
| 313 | return $data;  | 
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| 314 | }  | 
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| 315 | |||
| 316 | public function testGeneratesDDLSnippets() : void  | 
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| 317 |     { | 
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| 318 |         self::assertEquals('CREATE DATABASE foobar', $this->platform->getCreateDatabaseSQL('foobar')); | 
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| 319 |         self::assertEquals('DROP DATABASE foobar', $this->platform->getDropDatabaseSQL('foobar')); | 
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| 320 |         self::assertEquals('DECLARE GLOBAL TEMPORARY TABLE', $this->platform->getCreateTemporaryTableSnippetSQL()); | 
            ||
| 321 |         self::assertEquals('TRUNCATE foobar IMMEDIATE', $this->platform->getTruncateTableSQL('foobar')); | 
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| 322 | |||
| 323 | $viewSql = 'SELECT * FROM footable';  | 
            ||
| 324 |         self::assertEquals('CREATE VIEW fooview AS ' . $viewSql, $this->platform->getCreateViewSQL('fooview', $viewSql)); | 
            ||
| 325 |         self::assertEquals('DROP VIEW fooview', $this->platform->getDropViewSQL('fooview')); | 
            ||
| 326 | }  | 
            ||
| 327 | |||
| 328 | public function testGeneratesCreateUnnamedPrimaryKeySQL() : void  | 
            ||
| 329 |     { | 
            ||
| 330 | self::assertEquals(  | 
            ||
| 331 | 'ALTER TABLE foo ADD PRIMARY KEY (a, b)',  | 
            ||
| 332 | $this->platform->getCreatePrimaryKeySQL(  | 
            ||
| 333 |                 new Index('any_pk_name', ['a', 'b'], true, true), | 
            ||
| 334 | 'foo'  | 
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| 335 | )  | 
            ||
| 336 | );  | 
            ||
| 337 | }  | 
            ||
| 338 | |||
| 339 | public function testGeneratesSQLSnippets() : void  | 
            ||
| 340 |     { | 
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| 341 |         self::assertEquals('CURRENT DATE', $this->platform->getCurrentDateSQL()); | 
            ||
| 342 |         self::assertEquals('CURRENT TIME', $this->platform->getCurrentTimeSQL()); | 
            ||
| 343 |         self::assertEquals('CURRENT TIMESTAMP', $this->platform->getCurrentTimestampSQL()); | 
            ||
| 344 |         self::assertEquals("'1987/05/02' + 4 DAY", $this->platform->getDateAddDaysExpression("'1987/05/02'", '4')); | 
            ||
| 345 |         self::assertEquals("'1987/05/02' + 12 HOUR", $this->platform->getDateAddHourExpression("'1987/05/02'", '12')); | 
            ||
| 346 |         self::assertEquals("'1987/05/02' + 2 MINUTE", $this->platform->getDateAddMinutesExpression("'1987/05/02'", '2')); | 
            ||
| 347 |         self::assertEquals("'1987/05/02' + 102 MONTH", $this->platform->getDateAddMonthExpression("'1987/05/02'", '102')); | 
            ||
| 348 |         self::assertEquals("'1987/05/02' + (5 * 3) MONTH", $this->platform->getDateAddQuartersExpression("'1987/05/02'", '5')); | 
            ||
| 349 |         self::assertEquals("'1987/05/02' + 1 SECOND", $this->platform->getDateAddSecondsExpression("'1987/05/02'", '1')); | 
            ||
| 350 |         self::assertEquals("'1987/05/02' + (3 * 7) DAY", $this->platform->getDateAddWeeksExpression("'1987/05/02'", '3')); | 
            ||
| 351 |         self::assertEquals("'1987/05/02' + 10 YEAR", $this->platform->getDateAddYearsExpression("'1987/05/02'", '10')); | 
            ||
| 352 |         self::assertEquals("DAYS('1987/05/02') - DAYS('1987/04/01')", $this->platform->getDateDiffExpression("'1987/05/02'", "'1987/04/01'")); | 
            ||
| 353 |         self::assertEquals("'1987/05/02' - 4 DAY", $this->platform->getDateSubDaysExpression("'1987/05/02'", '4')); | 
            ||
| 354 |         self::assertEquals("'1987/05/02' - 12 HOUR", $this->platform->getDateSubHourExpression("'1987/05/02'", '12')); | 
            ||
| 355 |         self::assertEquals("'1987/05/02' - 2 MINUTE", $this->platform->getDateSubMinutesExpression("'1987/05/02'", '2')); | 
            ||
| 356 |         self::assertEquals("'1987/05/02' - 102 MONTH", $this->platform->getDateSubMonthExpression("'1987/05/02'", '102')); | 
            ||
| 357 |         self::assertEquals("'1987/05/02' - (5 * 3) MONTH", $this->platform->getDateSubQuartersExpression("'1987/05/02'", '5')); | 
            ||
| 358 |         self::assertEquals("'1987/05/02' - 1 SECOND", $this->platform->getDateSubSecondsExpression("'1987/05/02'", '1')); | 
            ||
| 359 |         self::assertEquals("'1987/05/02' - (3 * 7) DAY", $this->platform->getDateSubWeeksExpression("'1987/05/02'", '3')); | 
            ||
| 360 |         self::assertEquals("'1987/05/02' - 10 YEAR", $this->platform->getDateSubYearsExpression("'1987/05/02'", '10')); | 
            ||
| 361 |         self::assertEquals(' WITH RR USE AND KEEP UPDATE LOCKS', $this->platform->getForUpdateSQL()); | 
            ||
| 362 |         self::assertEquals('LOCATE(substring_column, string_column)', $this->platform->getLocateExpression('string_column', 'substring_column')); | 
            ||
| 363 |         self::assertEquals('LOCATE(substring_column, string_column, 1)', $this->platform->getLocateExpression('string_column', 'substring_column', '1')); | 
            ||
| 364 |         self::assertEquals('SUBSTR(column, 5)', $this->platform->getSubstringExpression('column', '5')); | 
            ||
| 365 |         self::assertEquals('SUBSTR(column, 5, 2)', $this->platform->getSubstringExpression('column', '5', '2')); | 
            ||
| 366 | }  | 
            ||
| 367 | |||
| 368 | public function testModifiesLimitQuery() : void  | 
            ||
| 369 |     { | 
            ||
| 370 | self::assertEquals(  | 
            ||
| 371 | 'SELECT * FROM user',  | 
            ||
| 372 |             $this->platform->modifyLimitQuery('SELECT * FROM user', null, 0) | 
            ||
| 373 | );  | 
            ||
| 374 | |||
| 375 | self::assertEquals(  | 
            ||
| 376 | 'SELECT db22.* FROM (SELECT db21.*, ROW_NUMBER() OVER() AS DC_ROWNUM FROM (SELECT * FROM user) db21) db22 WHERE db22.DC_ROWNUM <= 10',  | 
            ||
| 377 |             $this->platform->modifyLimitQuery('SELECT * FROM user', 10, 0) | 
            ||
| 378 | );  | 
            ||
| 379 | |||
| 380 | self::assertEquals(  | 
            ||
| 381 | 'SELECT db22.* FROM (SELECT db21.*, ROW_NUMBER() OVER() AS DC_ROWNUM FROM (SELECT * FROM user) db21) db22 WHERE db22.DC_ROWNUM <= 10',  | 
            ||
| 382 |             $this->platform->modifyLimitQuery('SELECT * FROM user', 10) | 
            ||
| 383 | );  | 
            ||
| 384 | |||
| 385 | self::assertEquals(  | 
            ||
| 386 | 'SELECT db22.* FROM (SELECT db21.*, ROW_NUMBER() OVER() AS DC_ROWNUM FROM (SELECT * FROM user) db21) db22 WHERE db22.DC_ROWNUM >= 6 AND db22.DC_ROWNUM <= 15',  | 
            ||
| 387 |             $this->platform->modifyLimitQuery('SELECT * FROM user', 10, 5) | 
            ||
| 388 | );  | 
            ||
| 389 | self::assertEquals(  | 
            ||
| 390 | 'SELECT db22.* FROM (SELECT db21.*, ROW_NUMBER() OVER() AS DC_ROWNUM FROM (SELECT * FROM user) db21) db22 WHERE db22.DC_ROWNUM >= 6 AND db22.DC_ROWNUM <= 5',  | 
            ||
| 391 |             $this->platform->modifyLimitQuery('SELECT * FROM user', 0, 5) | 
            ||
| 392 | );  | 
            ||
| 393 | }  | 
            ||
| 394 | |||
| 395 | public function testPrefersIdentityColumns() : void  | 
            ||
| 396 |     { | 
            ||
| 397 | self::assertTrue($this->platform->prefersIdentityColumns());  | 
            ||
| 398 | }  | 
            ||
| 399 | |||
| 400 | public function testSupportsIdentityColumns() : void  | 
            ||
| 401 |     { | 
            ||
| 402 | self::assertTrue($this->platform->supportsIdentityColumns());  | 
            ||
| 403 | }  | 
            ||
| 404 | |||
| 405 | public function testDoesNotSupportSavePoints() : void  | 
            ||
| 406 |     { | 
            ||
| 407 | self::assertFalse($this->platform->supportsSavepoints());  | 
            ||
| 408 | }  | 
            ||
| 409 | |||
| 410 | public function testDoesNotSupportReleasePoints() : void  | 
            ||
| 411 |     { | 
            ||
| 412 | self::assertFalse($this->platform->supportsReleaseSavepoints());  | 
            ||
| 413 | }  | 
            ||
| 414 | |||
| 415 | public function testDoesNotSupportCreateDropDatabase() : void  | 
            ||
| 416 |     { | 
            ||
| 417 | self::assertFalse($this->platform->supportsCreateDropDatabase());  | 
            ||
| 418 | }  | 
            ||
| 419 | |||
| 420 | public function testReturnsSQLResultCasing() : void  | 
            ||
| 421 |     { | 
            ||
| 422 |         self::assertSame('COL', $this->platform->getSQLResultCasing('cOl')); | 
            ||
| 423 | }  | 
            ||
| 424 | |||
| 425 | public function testGetVariableLengthStringTypeDeclarationSQLNoLength() : void  | 
            ||
| 426 |     { | 
            ||
| 427 | $this->expectException(ColumnLengthRequired::class);  | 
            ||
| 428 | |||
| 429 | parent::testGetVariableLengthStringTypeDeclarationSQLNoLength();  | 
            ||
| 430 | }  | 
            ||
| 431 | |||
| 432 | public function getExpectedFixedLengthBinaryTypeDeclarationSQLNoLength() : string  | 
            ||
| 433 |     { | 
            ||
| 434 | return 'CHAR FOR BIT DATA';  | 
            ||
| 435 | }  | 
            ||
| 436 | |||
| 437 | public function getExpectedFixedLengthBinaryTypeDeclarationSQLWithLength() : string  | 
            ||
| 438 |     { | 
            ||
| 439 | return 'CHAR(16) FOR BIT DATA';  | 
            ||
| 440 | }  | 
            ||
| 441 | |||
| 442 | public function getExpectedVariableLengthBinaryTypeDeclarationSQLNoLength() : string  | 
            ||
| 443 |     { | 
            ||
| 444 | return 'CHAR(16) FOR BIT DATA';  | 
            ||
| 445 | }  | 
            ||
| 446 | |||
| 447 | public function testGetVariableLengthBinaryTypeDeclarationSQLNoLength() : void  | 
            ||
| 448 |     { | 
            ||
| 449 | $this->expectException(ColumnLengthRequired::class);  | 
            ||
| 450 | |||
| 451 | parent::testGetVariableLengthBinaryTypeDeclarationSQLNoLength();  | 
            ||
| 452 | }  | 
            ||
| 453 | |||
| 454 | public function getExpectedVariableLengthBinaryTypeDeclarationSQLWithLength() : string  | 
            ||
| 455 |     { | 
            ||
| 456 | return 'VARCHAR(16) FOR BIT DATA';  | 
            ||
| 457 | }  | 
            ||
| 458 | |||
| 459 | /**  | 
            ||
| 460 |      * {@inheritDoc} | 
            ||
| 461 | *  | 
            ||
| 462 | * @group DBAL-234  | 
            ||
| 463 | */  | 
            ||
| 464 | protected function getAlterTableRenameIndexSQL() : array  | 
            ||
| 465 |     { | 
            ||
| 466 | return ['RENAME INDEX idx_foo TO idx_bar'];  | 
            ||
| 467 | }  | 
            ||
| 468 | |||
| 469 | /**  | 
            ||
| 470 |      * {@inheritDoc} | 
            ||
| 471 | *  | 
            ||
| 472 | * @group DBAL-234  | 
            ||
| 473 | */  | 
            ||
| 474 | protected function getQuotedAlterTableRenameIndexSQL() : array  | 
            ||
| 475 |     { | 
            ||
| 476 | return [  | 
            ||
| 477 | 'RENAME INDEX "create" TO "select"',  | 
            ||
| 478 | 'RENAME INDEX "foo" TO "bar"',  | 
            ||
| 479 | ];  | 
            ||
| 480 | }  | 
            ||
| 481 | |||
| 482 | /**  | 
            ||
| 483 |      * {@inheritdoc} | 
            ||
| 484 | */  | 
            ||
| 485 | protected function getQuotedAlterTableRenameColumnSQL() : array  | 
            ||
| 486 |     { | 
            ||
| 487 | return ['ALTER TABLE mytable ' .  | 
            ||
| 488 | 'RENAME COLUMN unquoted1 TO unquoted ' .  | 
            ||
| 489 | 'RENAME COLUMN unquoted2 TO "where" ' .  | 
            ||
| 490 | 'RENAME COLUMN unquoted3 TO "foo" ' .  | 
            ||
| 491 | 'RENAME COLUMN "create" TO reserved_keyword ' .  | 
            ||
| 492 | 'RENAME COLUMN "table" TO "from" ' .  | 
            ||
| 493 | 'RENAME COLUMN "select" TO "bar" ' .  | 
            ||
| 494 | 'RENAME COLUMN quoted1 TO quoted ' .  | 
            ||
| 495 | 'RENAME COLUMN quoted2 TO "and" ' .  | 
            ||
| 496 | 'RENAME COLUMN quoted3 TO "baz"',  | 
            ||
| 497 | ];  | 
            ||
| 498 | }  | 
            ||
| 499 | |||
| 500 | /**  | 
            ||
| 501 |      * {@inheritdoc} | 
            ||
| 502 | */  | 
            ||
| 503 | protected function getQuotedAlterTableChangeColumnLengthSQL() : array  | 
            ||
| 504 |     { | 
            ||
| 505 |         $this->markTestIncomplete('Not implemented yet'); | 
            ||
| 
                                                                                                    
                        
                         | 
                |||
| 506 | }  | 
            ||
| 507 | |||
| 508 | /**  | 
            ||
| 509 |      * {@inheritDoc} | 
            ||
| 510 | *  | 
            ||
| 511 | * @group DBAL-807  | 
            ||
| 512 | */  | 
            ||
| 513 | protected function getAlterTableRenameIndexInSchemaSQL() : array  | 
            ||
| 514 |     { | 
            ||
| 515 | return ['RENAME INDEX myschema.idx_foo TO idx_bar'];  | 
            ||
| 516 | }  | 
            ||
| 517 | |||
| 518 | /**  | 
            ||
| 519 |      * {@inheritDoc} | 
            ||
| 520 | *  | 
            ||
| 521 | * @group DBAL-807  | 
            ||
| 522 | */  | 
            ||
| 523 | protected function getQuotedAlterTableRenameIndexInSchemaSQL() : array  | 
            ||
| 524 |     { | 
            ||
| 525 | return [  | 
            ||
| 526 | 'RENAME INDEX "schema"."create" TO "select"',  | 
            ||
| 527 | 'RENAME INDEX "schema"."foo" TO "bar"',  | 
            ||
| 528 | ];  | 
            ||
| 529 | }  | 
            ||
| 530 | |||
| 531 | /**  | 
            ||
| 532 | * @group DBAL-423  | 
            ||
| 533 | */  | 
            ||
| 534 | public function testReturnsGuidTypeDeclarationSQL() : void  | 
            ||
| 535 |     { | 
            ||
| 536 |         self::assertSame('CHAR(36)', $this->platform->getGuidTypeDeclarationSQL([])); | 
            ||
| 537 | }  | 
            ||
| 538 | |||
| 539 | /**  | 
            ||
| 540 |      * {@inheritdoc} | 
            ||
| 541 | */  | 
            ||
| 542 | public function getAlterTableRenameColumnSQL() : array  | 
            ||
| 543 |     { | 
            ||
| 544 | return ['ALTER TABLE foo RENAME COLUMN bar TO baz'];  | 
            ||
| 545 | }  | 
            ||
| 546 | |||
| 547 | /**  | 
            ||
| 548 |      * {@inheritdoc} | 
            ||
| 549 | */  | 
            ||
| 550 | protected function getQuotesTableIdentifiersInAlterTableSQL() : array  | 
            ||
| 551 |     { | 
            ||
| 552 | return [  | 
            ||
| 553 | 'ALTER TABLE "foo" DROP FOREIGN KEY fk1',  | 
            ||
| 554 | 'ALTER TABLE "foo" DROP FOREIGN KEY fk2',  | 
            ||
| 555 | 'ALTER TABLE "foo" ' .  | 
            ||
| 556 | 'ADD COLUMN bloo INTEGER NOT NULL WITH DEFAULT ' .  | 
            ||
| 557 | 'DROP COLUMN baz ' .  | 
            ||
| 558 | 'ALTER COLUMN bar DROP NOT NULL ' .  | 
            ||
| 559 | 'RENAME COLUMN id TO war',  | 
            ||
| 560 | 'CALL SYSPROC.ADMIN_CMD (\'REORG TABLE "foo"\')',  | 
            ||
| 561 | 'RENAME TABLE "foo" TO "table"',  | 
            ||
| 562 | 'ALTER TABLE "table" ADD CONSTRAINT fk_add FOREIGN KEY (fk3) REFERENCES fk_table (id)',  | 
            ||
| 563 | 'ALTER TABLE "table" ADD CONSTRAINT fk2 FOREIGN KEY (fk2) REFERENCES fk_table2 (id)',  | 
            ||
| 564 | ];  | 
            ||
| 565 | }  | 
            ||
| 566 | |||
| 567 | /**  | 
            ||
| 568 |      * {@inheritdoc} | 
            ||
| 569 | */  | 
            ||
| 570 | protected function getCommentOnColumnSQL() : array  | 
            ||
| 571 |     { | 
            ||
| 572 | return [  | 
            ||
| 573 | 'COMMENT ON COLUMN foo.bar IS \'comment\'',  | 
            ||
| 574 | 'COMMENT ON COLUMN "Foo"."BAR" IS \'comment\'',  | 
            ||
| 575 | 'COMMENT ON COLUMN "select"."from" IS \'comment\'',  | 
            ||
| 576 | ];  | 
            ||
| 577 | }  | 
            ||
| 578 | |||
| 579 | /**  | 
            ||
| 580 | * @group DBAL-944  | 
            ||
| 581 | * @dataProvider getGeneratesAlterColumnSQL  | 
            ||
| 582 | */  | 
            ||
| 583 | public function testGeneratesAlterColumnSQL(string $changedProperty, Column $column, ?string $expectedSQLClause = null) : void  | 
            ||
| 598 | }  | 
            ||
| 599 | |||
| 600 | /**  | 
            ||
| 601 | * @return mixed[][]  | 
            ||
| 602 | */  | 
            ||
| 603 | public static function getGeneratesAlterColumnSQL() : iterable  | 
            ||
| 604 |     { | 
            ||
| 605 | return [  | 
            ||
| 606 | [  | 
            ||
| 607 | 'columnDefinition',  | 
            ||
| 608 |                 new Column('bar', Type::getType('decimal'), ['columnDefinition' => 'MONEY NOT NULL']), | 
            ||
| 609 | 'MONEY NOT NULL',  | 
            ||
| 610 | ],  | 
            ||
| 611 | [  | 
            ||
| 612 | 'type',  | 
            ||
| 613 |                 new Column('bar', Type::getType('integer')), | 
            ||
| 614 | 'SET DATA TYPE INTEGER',  | 
            ||
| 615 | ],  | 
            ||
| 616 | [  | 
            ||
| 617 | 'length',  | 
            ||
| 618 |                 new Column('bar', Type::getType('string'), ['length' => 100]), | 
            ||
| 619 | 'SET DATA TYPE VARCHAR(100)',  | 
            ||
| 620 | ],  | 
            ||
| 621 | [  | 
            ||
| 622 | 'precision',  | 
            ||
| 623 |                 new Column('bar', Type::getType('decimal'), ['precision' => 10, 'scale' => 2]), | 
            ||
| 624 | 'SET DATA TYPE NUMERIC(10, 2)',  | 
            ||
| 625 | ],  | 
            ||
| 626 | [  | 
            ||
| 627 | 'scale',  | 
            ||
| 628 |                 new Column('bar', Type::getType('decimal'), ['precision' => 5, 'scale' => 4]), | 
            ||
| 629 | 'SET DATA TYPE NUMERIC(5, 4)',  | 
            ||
| 630 | ],  | 
            ||
| 631 | [  | 
            ||
| 632 | 'fixed',  | 
            ||
| 633 |                 new Column('bar', Type::getType('string'), ['length' => 20, 'fixed' => true]), | 
            ||
| 634 | 'SET DATA TYPE CHAR(20)',  | 
            ||
| 635 | ],  | 
            ||
| 636 | [  | 
            ||
| 637 | 'notnull',  | 
            ||
| 638 |                 new Column('bar', Type::getType('string'), ['notnull' => true]), | 
            ||
| 639 | 'SET NOT NULL',  | 
            ||
| 640 | ],  | 
            ||
| 641 | [  | 
            ||
| 642 | 'notnull',  | 
            ||
| 643 |                 new Column('bar', Type::getType('string'), ['notnull' => false]), | 
            ||
| 644 | 'DROP NOT NULL',  | 
            ||
| 645 | ],  | 
            ||
| 646 | [  | 
            ||
| 647 | 'default',  | 
            ||
| 648 |                 new Column('bar', Type::getType('string'), ['default' => 'foo']), | 
            ||
| 649 | "SET DEFAULT 'foo'",  | 
            ||
| 650 | ],  | 
            ||
| 651 | [  | 
            ||
| 652 | 'default',  | 
            ||
| 653 |                 new Column('bar', Type::getType('integer'), ['autoincrement' => true, 'default' => 666]), | 
            ||
| 654 | null,  | 
            ||
| 655 | ],  | 
            ||
| 656 | [  | 
            ||
| 657 | 'default',  | 
            ||
| 658 |                 new Column('bar', Type::getType('string')), | 
            ||
| 659 | 'DROP DEFAULT',  | 
            ||
| 660 | ],  | 
            ||
| 661 | ];  | 
            ||
| 662 | }  | 
            ||
| 663 | |||
| 664 | /**  | 
            ||
| 665 |      * {@inheritdoc} | 
            ||
| 666 | */  | 
            ||
| 667 | protected function getQuotesReservedKeywordInUniqueConstraintDeclarationSQL() : string  | 
            ||
| 668 |     { | 
            ||
| 669 | return 'CONSTRAINT "select" UNIQUE (foo)';  | 
            ||
| 670 | }  | 
            ||
| 671 | |||
| 672 | /**  | 
            ||
| 673 |      * {@inheritdoc} | 
            ||
| 674 | */  | 
            ||
| 675 | protected function getQuotesReservedKeywordInIndexDeclarationSQL() : string  | 
            ||
| 676 |     { | 
            ||
| 677 | return ''; // not supported by this platform  | 
            ||
| 678 | }  | 
            ||
| 679 | |||
| 680 | /**  | 
            ||
| 681 |      * {@inheritdoc} | 
            ||
| 682 | */  | 
            ||
| 683 | protected function getQuotesReservedKeywordInTruncateTableSQL() : string  | 
            ||
| 684 |     { | 
            ||
| 685 | return 'TRUNCATE "select" IMMEDIATE';  | 
            ||
| 686 | }  | 
            ||
| 687 | |||
| 688 | /**  | 
            ||
| 689 |      * {@inheritdoc} | 
            ||
| 690 | */  | 
            ||
| 691 | protected function supportsInlineIndexDeclaration() : bool  | 
            ||
| 692 |     { | 
            ||
| 693 | return false;  | 
            ||
| 694 | }  | 
            ||
| 695 | |||
| 696 | /**  | 
            ||
| 697 |      * {@inheritdoc} | 
            ||
| 698 | */  | 
            ||
| 699 | protected function supportsCommentOnStatement() : bool  | 
            ||
| 702 | }  | 
            ||
| 703 | |||
| 704 | /**  | 
            ||
| 705 |      * {@inheritdoc} | 
            ||
| 706 | */  | 
            ||
| 707 | protected function getAlterStringToFixedStringSQL() : array  | 
            ||
| 708 |     { | 
            ||
| 709 | return [  | 
            ||
| 710 | 'ALTER TABLE mytable ALTER COLUMN name SET DATA TYPE CHAR(2)',  | 
            ||
| 711 | 'CALL SYSPROC.ADMIN_CMD (\'REORG TABLE mytable\')',  | 
            ||
| 712 | ];  | 
            ||
| 713 | }  | 
            ||
| 714 | |||
| 715 | /**  | 
            ||
| 716 |      * {@inheritdoc} | 
            ||
| 717 | */  | 
            ||
| 718 | protected function getGeneratesAlterTableRenameIndexUsedByForeignKeySQL() : array  | 
            ||
| 721 | }  | 
            ||
| 722 | |||
| 723 | /**  | 
            ||
| 724 | * @group DBAL-2436  | 
            ||
| 725 | */  | 
            ||
| 726 | public function testQuotesTableNameInListTableColumnsSQL() : void  | 
            ||
| 727 |     { | 
            ||
| 728 | self::assertStringContainsStringIgnoringCase(  | 
            ||
| 729 | "'Foo''Bar\\'",  | 
            ||
| 730 |             $this->platform->getListTableColumnsSQL("Foo'Bar\\") | 
            ||
| 731 | );  | 
            ||
| 732 | }  | 
            ||
| 733 | |||
| 734 | /**  | 
            ||
| 735 | * @group DBAL-2436  | 
            ||
| 736 | */  | 
            ||
| 737 | public function testQuotesTableNameInListTableIndexesSQL() : void  | 
            ||
| 742 | );  | 
            ||
| 743 | }  | 
            ||
| 744 | |||
| 745 | /**  | 
            ||
| 746 | * @group DBAL-2436  | 
            ||
| 747 | */  | 
            ||
| 748 | public function testQuotesTableNameInListTableForeignKeysSQL() : void  | 
            ||
| 753 | );  | 
            ||
| 754 | }  | 
            ||
| 755 | }  | 
            ||
| 756 | 
For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: