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<?php
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/**
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* This file is part of the O2System Framework package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System\Database\Sql\Drivers\Sqlite;
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// ------------------------------------------------------------------------
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use O2System\Database\Sql\Abstracts\AbstractQueryBuilder;
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/**
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* Class QueryBuilder
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*
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* @package O2System\Database\Sql\Drivers\Sqlite
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*/
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class QueryBuilder extends AbstractQueryBuilder
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{
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/**
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* Platform independent LIKE statement builder.
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*
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* @param string|null $prefix
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* @param string $column
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* @param string|null $not
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* @param string $bind
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* @param bool $caseSensitive
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*
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* @return string
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*/
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protected function platformPrepareLikeStatement(
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$prefix = null,
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$column,
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$not = null,
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$bind,
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$caseSensitive = false
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) {
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$likeStatement = "{$prefix} {$column} {$not} LIKE :{$bind}";
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if ($caseSensitive === true) {
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$likeStatement = "{$prefix} LOWER({$column}) {$not} LIKE :{$bind}";
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}
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return $likeStatement;
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}
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//--------------------------------------------------------------------
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/**
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* QueryBuilder::platformInsertStatement
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*
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* Generates a platform-specific insert string from the supplied data.
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*
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* @param string $table Table name.
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* @param array $keys Insert keys.
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* @param array $values Insert values.
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*
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* @return string
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*/
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protected function platformInsertStatement($table, array $keys, array $values)
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{
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return 'INSERT INTO '
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. $table
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. ' ('
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. implode(', ', $keys)
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. ') VALUES ('
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. implode(', ', $values)
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. ')';
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}
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//--------------------------------------------------------------------
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/**
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* QueryBuilder::platformReplaceStatement
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*
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* Generates a platform-specific update string from the supplied data.
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*
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* @param string $table Table name.
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* @param array $keys Insert keys.
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* @param array $values Insert values.
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*
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* @return string
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*/
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protected function platformReplaceStatement($table, array $keys, array $values)
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{
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return 'REPLACE INTO ' . $table . ' (' . implode(', ', $keys) . ') VALUES (' . implode(', ', $values) . ')';
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}
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//--------------------------------------------------------------------
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/**
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* QueryBuilder::platformUpdateStatement
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*
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* Generates a platform-specific update string from the supplied data.
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*
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* @param string $table Table name.
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* @param array $sets An associative array of set values.
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* sets[][field => value]
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*
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* @return string
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*/
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protected function platformUpdateStatement($table, array $sets)
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{
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$columns = [];
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foreach ($sets as $key => $val) {
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$columns[] = $key . ' = ' . $val;
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}
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return 'UPDATE ' . $table . ' SET ' . implode(', ', $columns)
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. $this->compileWhereHavingStatement('where')
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. $this->compileOrderByStatement()
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. $this->compileLimitStatement();
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}
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//--------------------------------------------------------------------
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/**
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* QueryBuilder::platformUpdateBatchStatement
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*
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* Generates a platform-specific batch update string from the supplied data.
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*
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* @param string $table Table name
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* @param array $values Update data
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* @param string $index WHERE key
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*
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* @return string
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*/
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protected function platformUpdateBatchStatement($table, $values, $index)
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{
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$ids = [];
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$columns = [];
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foreach ($values as $key => $value) {
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$ids[] = $value[ $index ];
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foreach (array_keys($value) as $field) {
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if ($field !== $index) {
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$columns[ $field ][] = 'WHEN ' . $index . ' = ' . $value[ $index ] . ' THEN ' . $value[ $field ];
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}
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}
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}
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$cases = '';
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foreach ($columns as $key => $value) {
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$cases .= $key . " = CASE \n"
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. implode("\n", $value) . "\n"
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. 'ELSE ' . $key . ' END, ';
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}
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$this->where($index . ' IN(' . implode(',', $ids) . ')', null, false);
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return 'UPDATE ' . $table . ' SET ' . substr($cases, 0, -2) . $this->compileWhereHavingStatement('where');
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}
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//--------------------------------------------------------------------
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/**
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* QueryBuilder::platformDeleteStatement
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*
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* Generates a platform-specific delete string from the supplied data
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*
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* @param string $table The table name.
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*
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* @return string
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*/
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protected function platformDeleteStatement($table)
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{
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return 'DELETE FROM ' . $table
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. $this->compileWhereHavingStatement('where')
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. $this->compileLimitStatement();
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}
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//--------------------------------------------------------------------
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/**
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* QueryBuilder::platformTruncateStatement
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*
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* Generates a platform-specific truncate statement.
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*
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* @param string $table The table name.
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*
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* @return string
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*/
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protected function platformTruncateStatement($table)
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{
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return 'TRUNCATE ' . $table;
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}
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//--------------------------------------------------------------------
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/**
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* QueryBuilder::platformInsertBatchStatement
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*
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* @param string $table
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* @param array $keys
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* @param array $values
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*
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* @return mixed
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*/
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protected function platformInsertBatchStatement($table, array $keys, array $values)
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{
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return 'INSERT INTO '
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. $table
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. ' ('
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. implode(', ', $keys)
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. ') VALUES '
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. implode(', ', $values);
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}
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}
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o2system /
database
