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<?php |
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declare(strict_types=1); |
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/** |
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* Database Access Layer. |
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* @author Doug Wright |
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*/ |
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namespace DVDoug\DB; |
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/** |
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* Oracle database connection (PDO). |
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* @author Doug Wright |
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*/ |
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class OraclePDODatabase extends PDODatabase |
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{ |
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/** |
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* Constructor. |
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* @param string $aConnectionString Oracle connection string with host/port/service name etc |
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* @param string $aUsername connection username |
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* @param string $aPassword connection password |
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* @param string $aCharset connection character set |
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*/ |
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public function __construct($aConnectionString, $aUsername, $aPassword, $aCharset = 'AL32UTF8') |
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{ |
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parent::__construct("oci:dbname={$aConnectionString};charset={$aCharset}", $aUsername, $aPassword); |
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$this->exec("ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'"); |
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} |
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/** |
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* List of tables in a database. |
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* @param string $aDatabase database/schema name |
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*/ |
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public function getTables($aDatabase = null): array |
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{ |
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if ($aDatabase) { |
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$statement = $this->prepare('SELECT OWNER, TABLE_NAME FROM ALL_TABLES WHERE OWNER = :owner ORDER BY TABLE_NAME ASC'); |
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$statement->bindParamToValue(':owner', $aDatabase); |
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$statement->execute(); |
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} else { |
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$statement = $this->query('SELECT OWNER, TABLE_NAME FROM ALL_TABLES'); |
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} |
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$result = $statement->fetchAssoc(true, true); |
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$tables = []; |
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foreach ($result as $database => $dbtables) { |
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$tables[$database] = []; |
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foreach ($dbtables as $table) { |
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$tables[$database][] = $table['TABLE_NAME']; |
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} |
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} |
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return $aDatabase ? $tables[$aDatabase] : $tables; |
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} |
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/** |
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* List of columns (and types) in a table. |
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* @param string $aDatabase database/schema name |
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* @param string $aTable table name |
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* @return ColumnMetaInterface[] |
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*/ |
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public function getTableColumns($aDatabase, $aTable): array |
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{ |
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$statement = $this->prepare('SELECT COLUMN_NAME FROM ALL_TAB_COLUMNS WHERE OWNER = :owner AND TABLE_NAME = :table_name ORDER BY COLUMN_ID ASC'); |
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$statement->bindParamToValue(':owner', $aDatabase); |
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$statement->bindParamToValue(':table_name', $aTable); |
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$statement->execute(); |
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$result = $statement->fetchAssoc(); |
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$columns = []; |
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foreach ($result as $row) { |
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$columns[$row['COLUMN_NAME']] = new OracleColumnMeta($this, $aDatabase, $aTable, $row['COLUMN_NAME']); |
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} |
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return $columns; |
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} |
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/** |
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* Primary key column(s). |
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* @param string $aDatabase database/schema name |
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* @param string $aTable table name |
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*/ |
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public function getPrimaryKey($aDatabase, $aTable): array |
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{ |
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$columns = []; |
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$SQL = "SELECT COLS.POSITION, COLS.COLUMN_NAME |
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FROM ALL_CONSTRAINTS cons |
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JOIN ALL_CONS_COLUMNS cols |
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ON cons.CONSTRAINT_NAME = cols.CONSTRAINT_NAME |
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AND cons.OWNER = cols.OWNER |
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WHERE cols.TABLE_NAME = :table_name |
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AND cons.CONSTRAINT_TYPE = 'P' |
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AND cols.OWNER = :database_name |
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ORDER BY cols.POSITION"; |
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$statement = $this->prepare($SQL); |
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$statement->bindParamToValue(':table_name', $aTable); |
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$statement->bindParamToValue(':database_name', $aDatabase); |
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$statement->execute(); |
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$result = $statement->fetchAssoc(); |
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foreach ($result as $column) { |
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$columns[] = $column['COLUMN_NAME']; |
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} |
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return $columns; |
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} |
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/** |
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* Non-PK indexes. |
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* @param string $aDatabase database/schema name |
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* @param string $aTable table name |
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*/ |
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public function getIndexes($aDatabase, $aTable): array |
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{ |
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$indexes = []; |
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$SQL = 'SELECT INDEX_NAME, COLUMN_NAME |
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FROM ALL_IND_COLUMNS |
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WHERE TABLE_NAME = :table_name |
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AND TABLE_OWNER = :database_name |
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ORDER BY INDEX_NAME ASC, COLUMN_POSITION ASC'; |
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$statement = $this->prepare($SQL); |
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$statement->bindParamToValue(':table_name', $aTable); |
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$statement->bindParamToValue(':database_name', $aDatabase); |
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$statement->execute(); |
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$result = $statement->fetchAssoc(true, true); |
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foreach ($result as $index => $columnList) { |
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$indexes[$index] = []; |
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foreach ($columnList as $col) { |
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$indexes[$index][] = $col['COLUMN_NAME']; |
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} |
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} |
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/* |
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* Subtract PK if any |
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*/ |
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$PK = $this->getPrimaryKey($aDatabase, $aTable); |
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foreach ($indexes as $name => $columns) { |
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if ($PK === $columns) { |
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unset($indexes[$name]); |
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break; |
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} |
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} |
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return $indexes; |
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} |
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} |
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dvdoug /
DB
Loading history...
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.