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Sphinx Query Builder updated to respect column types for where statements

tags/2.0.0-beta
Paul Klimov 11 years ago
parent
6bfc888c8f
commit
8bec8c5f57
1 changed files with 108 additions and 114 deletions
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  1. 222
      extensions/sphinx/QueryBuilder.php

222
extensions/sphinx/QueryBuilder.php
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@ -62,7 +62,7 @@ class QueryBuilder extends Object
$clauses = [ $clauses = [
$this->buildSelect($query->select, $query->distinct, $query->selectOption), $this->buildSelect($query->select, $query->distinct, $query->selectOption),
$this->buildFrom($query->from), $this->buildFrom($query->from),
$this->buildWhere($query->where, $params), $this->buildWhere($query->from, $query->where, $params),
$this->buildGroupBy($query->groupBy), $this->buildGroupBy($query->groupBy),
$this->buildWithin($query->within), $this->buildWithin($query->within),
$this->buildOrderBy($query->orderBy), $this->buildOrderBy($query->orderBy),
@ -131,37 +131,16 @@ class QueryBuilder extends Object
protected function generateInsertReplace($statement, $index, $columns, &$params) protected function generateInsertReplace($statement, $index, $columns, &$params)
{ {
if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { if (($indexSchema = $this->db->getIndexSchema($index)) !== null) {
$columnSchemas = $indexSchema->columns; $indexSchemas = [$indexSchema];
} else { } else {
$columnSchemas = []; $indexSchemas = [];
} }
$names = []; $names = [];
$placeholders = []; $placeholders = [];
foreach ($columns as $name => $value) { foreach ($columns as $name => $value) {
$names[] = $this->db->quoteColumnName($name); $names[] = $this->db->quoteColumnName($name);
if ($value instanceof Expression) { $placeholders[] = $this->composeColumnValue($indexSchemas, $name, $value, $params);
$placeholders[] = $value->expression;
foreach ($value->params as $n => $v) {
$params[$n] = $v;
}
} else {
if (is_array($value)) {
// MVA :
$placeholderParts = [];
foreach ($value as $subValue) {
$phName = self::PARAM_PREFIX . count($params);
$placeholderParts[] = $phName;
$params[$phName] = isset($columnSchemas[$name]) ? $columnSchemas[$name]->typecast($subValue) : $subValue;
}
$placeholders[] = '(' . implode(',', $placeholderParts) . ')';
} else {
$phName = self::PARAM_PREFIX . count($params);
$placeholders[] = $phName;
$params[$phName] = isset($columnSchemas[$name]) ? $columnSchemas[$name]->typecast($value) : $value;
}
} }
}
return $statement . ' INTO ' . $this->db->quoteIndexName($index) return $statement . ' INTO ' . $this->db->quoteIndexName($index)
. ' (' . implode(', ', $names) . ') VALUES (' . ' (' . implode(', ', $names) . ') VALUES ('
. implode(', ', $placeholders) . ')'; . implode(', ', $placeholders) . ')';
@ -231,9 +210,9 @@ class QueryBuilder extends Object
protected function generateBatchInsertReplace($statement, $index, $columns, $rows, &$params) protected function generateBatchInsertReplace($statement, $index, $columns, $rows, &$params)
{ {
if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { if (($indexSchema = $this->db->getIndexSchema($index)) !== null) {
$columnSchemas = $indexSchema->columns; $indexSchemas = [$indexSchema];
} else { } else {
$columnSchemas = []; $indexSchemas = [];
} }
foreach ($columns as $i => $name) { foreach ($columns as $i => $name) {
@ -244,23 +223,7 @@ class QueryBuilder extends Object
foreach ($rows as $row) { foreach ($rows as $row) {
$vs = []; $vs = [];
foreach ($row as $i => $value) { foreach ($row as $i => $value) {
if (is_array($value)) { $vs[] = $this->composeColumnValue($indexSchemas, $columns[$i], $value, $params);
// MVA :
$vsParts = [];
foreach ($value as $subValue) {
$phName = self::PARAM_PREFIX . count($params);
$vsParts[] = $phName;
$params[$phName] = isset($columnSchemas[$columns[$i]]) ? $columnSchemas[$columns[$i]]->typecast($subValue) : $subValue;
}
$vs[] = '(' . implode(',', $vsParts) . ')';
} else {
$phName = self::PARAM_PREFIX . count($params);
if (isset($columnSchemas[$columns[$i]])) {
$value = $columnSchemas[$columns[$i]]->typecast($value);
}
$params[$phName] = is_string($value) ? $this->db->quoteValue($value) : $value;
$vs[] = $phName;
}
} }
$values[] = '(' . implode(', ', $vs) . ')'; $values[] = '(' . implode(', ', $vs) . ')';
} }
@ -292,38 +255,18 @@ class QueryBuilder extends Object
public function update($index, $columns, $condition, &$params, $options) public function update($index, $columns, $condition, &$params, $options)
{ {
if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { if (($indexSchema = $this->db->getIndexSchema($index)) !== null) {
$columnSchemas = $indexSchema->columns; $indexSchemas = [$indexSchema];
} else { } else {
$columnSchemas = []; $indexSchemas = [];
} }
$lines = []; $lines = [];
foreach ($columns as $name => $value) { foreach ($columns as $name => $value) {
if ($value instanceof Expression) { $lines[] = $this->db->quoteColumnName($name) . '=' . $this->composeColumnValue($indexSchemas, $name, $value, $params);
$lines[] = $this->db->quoteColumnName($name) . '=' . $value->expression;
foreach ($value->params as $n => $v) {
$params[$n] = $v;
}
} else {
if (is_array($value)) {
// MVA :
$lineParts = [];
foreach ($value as $subValue) {
$phName = self::PARAM_PREFIX . count($params);
$lineParts[] = $phName;
$params[$phName] = isset($columnSchemas[$name]) ? $columnSchemas[$name]->typecast($subValue) : $subValue;
}
$lines[] = $this->db->quoteColumnName($name) . '=' . '(' . implode(',', $lineParts) . ')';
} else {
$phName = self::PARAM_PREFIX . count($params);
$lines[] = $this->db->quoteColumnName($name) . '=' . $phName;
$params[$phName] = !is_array($value) && isset($columnSchemas[$name]) ? $columnSchemas[$name]->typecast($value) : $value;
}
}
} }
$sql = 'UPDATE ' . $this->db->quoteIndexName($index) . ' SET ' . implode(', ', $lines); $sql = 'UPDATE ' . $this->db->quoteIndexName($index) . ' SET ' . implode(', ', $lines);
$where = $this->buildWhere($condition, $params); $where = $this->buildWhere([$index], $condition, $params);
if ($where !== '') { if ($where !== '') {
$sql = $sql . ' ' . $where; $sql = $sql . ' ' . $where;
} }
@ -354,7 +297,7 @@ class QueryBuilder extends Object
public function delete($index, $condition, &$params) public function delete($index, $condition, &$params)
{ {
$sql = 'DELETE FROM ' . $this->db->quoteIndexName($index); $sql = 'DELETE FROM ' . $this->db->quoteIndexName($index);
$where = $this->buildWhere($condition, $params); $where = $this->buildWhere([$index], $condition, $params);
return $where === '' ? $sql : $sql . ' ' . $where; return $where === '' ? $sql : $sql . ' ' . $where;
} }
@ -499,13 +442,26 @@ class QueryBuilder extends Object
} }
/** /**
* @param string[] $indexes list of index names, which affected by query
* @param string|array $condition * @param string|array $condition
* @param array $params the binding parameters to be populated * @param array $params the binding parameters to be populated
* @return string the WHERE clause built from [[query]]. * @return string the WHERE clause built from [[query]].
*/ */
public function buildWhere($condition, &$params) public function buildWhere($indexes, $condition, &$params)
{ {
$where = $this->buildCondition($condition, $params); if (empty($condition)) {
return '';
}
$indexSchemas = [];
if (!empty($indexes)) {
foreach ($indexes as $indexName) {
$index = $this->db->getIndexSchema($indexName);
if ($index !== null) {
$indexSchemas[] = $index;
}
}
}
$where = $this->buildCondition($indexSchemas, $condition, $params);
return $where === '' ? '' : 'WHERE ' . $where; return $where === '' ? '' : 'WHERE ' . $where;
} }
@ -583,13 +539,14 @@ class QueryBuilder extends Object
/** /**
* Parses the condition specification and generates the corresponding SQL expression. * Parses the condition specification and generates the corresponding SQL expression.
* @param IndexSchema[] $indexes list of indexes, which affected by query
* @param string|array $condition the condition specification. Please refer to [[Query::where()]] * @param string|array $condition the condition specification. Please refer to [[Query::where()]]
* on how to specify a condition. * on how to specify a condition.
* @param array $params the binding parameters to be populated * @param array $params the binding parameters to be populated
* @return string the generated SQL expression * @return string the generated SQL expression
* @throws \yii\db\Exception if the condition is in bad format * @throws \yii\db\Exception if the condition is in bad format
*/ */
public function buildCondition($condition, &$params) public function buildCondition($indexes, $condition, &$params)
{ {
static $builders = [ static $builders = [
'AND' => 'buildAndCondition', 'AND' => 'buildAndCondition',
@ -614,42 +571,38 @@ class QueryBuilder extends Object
if (isset($builders[$operator])) { if (isset($builders[$operator])) {
$method = $builders[$operator]; $method = $builders[$operator];
array_shift($condition); array_shift($condition);
return $this->$method($operator, $condition, $params); return $this->$method($indexes, $operator, $condition, $params);
} else { } else {
throw new Exception('Found unknown operator in query: ' . $operator); throw new Exception('Found unknown operator in query: ' . $operator);
} }
} else { // hash format: 'column1' => 'value1', 'column2' => 'value2', ... } else { // hash format: 'column1' => 'value1', 'column2' => 'value2', ...
return $this->buildHashCondition($condition, $params); return $this->buildHashCondition($indexes, $condition, $params);
} }
} }
/** /**
* Creates a condition based on column-value pairs. * Creates a condition based on column-value pairs.
* @param IndexSchema[] $indexes list of indexes, which affected by query
* @param array $condition the condition specification. * @param array $condition the condition specification.
* @param array $params the binding parameters to be populated * @param array $params the binding parameters to be populated
* @return string the generated SQL expression * @return string the generated SQL expression
*/ */
public function buildHashCondition($condition, &$params) public function buildHashCondition($indexes, $condition, &$params)
{ {
$parts = []; $parts = [];
foreach ($condition as $column => $value) { foreach ($condition as $column => $value) {
if (is_array($value)) { // IN condition if (is_array($value)) { // IN condition
$parts[] = $this->buildInCondition('IN', [$column, $value], $params); $parts[] = $this->buildInCondition($indexes, 'IN', [$column, $value], $params);
} else { } else {
if (strpos($column, '(') === false) { if (strpos($column, '(') === false) {
$column = $this->db->quoteColumnName($column); $quotedColumn = $this->db->quoteColumnName($column);
} else {
$quotedColumn = $column;
} }
if ($value === null) { if ($value === null) {
$parts[] = "$column IS NULL"; $parts[] = "$quotedColumn IS NULL";
} elseif ($value instanceof Expression) {
$parts[] = "$column=" . $value->expression;
foreach ($value->params as $n => $v) {
$params[$n] = $v;
}
} else { } else {
$phName = self::PARAM_PREFIX . count($params); $parts[] = $quotedColumn . '=' . $this->composeColumnValue($indexes, $column, $value, $params);
$parts[] = "$column=$phName";
$params[$phName] = $value;
} }
} }
} }
@ -658,17 +611,18 @@ class QueryBuilder extends Object
/** /**
* Connects two or more SQL expressions with the `AND` or `OR` operator. * Connects two or more SQL expressions with the `AND` or `OR` operator.
* @param IndexSchema[] $indexes list of indexes, which affected by query
* @param string $operator the operator to use for connecting the given operands * @param string $operator the operator to use for connecting the given operands
* @param array $operands the SQL expressions to connect. * @param array $operands the SQL expressions to connect.
* @param array $params the binding parameters to be populated * @param array $params the binding parameters to be populated
* @return string the generated SQL expression * @return string the generated SQL expression
*/ */
public function buildAndCondition($operator, $operands, &$params) public function buildAndCondition($indexes, $operator, $operands, &$params)
{ {
$parts = []; $parts = [];
foreach ($operands as $operand) { foreach ($operands as $operand) {
if (is_array($operand)) { if (is_array($operand)) {
$operand = $this->buildCondition($operand, $params); $operand = $this->buildCondition($indexes, $operand, $params);
} }
if ($operand !== '') { if ($operand !== '') {
$parts[] = $operand; $parts[] = $operand;
@ -683,6 +637,7 @@ class QueryBuilder extends Object
/** /**
* Creates an SQL expressions with the `BETWEEN` operator. * Creates an SQL expressions with the `BETWEEN` operator.
* @param IndexSchema[] $indexes list of indexes, which affected by query
* @param string $operator the operator to use (e.g. `BETWEEN` or `NOT BETWEEN`) * @param string $operator the operator to use (e.g. `BETWEEN` or `NOT BETWEEN`)
* @param array $operands the first operand is the column name. The second and third operands * @param array $operands the first operand is the column name. The second and third operands
* describe the interval that column value should be in. * describe the interval that column value should be in.
@ -690,7 +645,7 @@ class QueryBuilder extends Object
* @return string the generated SQL expression * @return string the generated SQL expression
* @throws Exception if wrong number of operands have been given. * @throws Exception if wrong number of operands have been given.
*/ */
public function buildBetweenCondition($operator, $operands, &$params) public function buildBetweenCondition($indexes, $operator, $operands, &$params)
{ {
if (!isset($operands[0], $operands[1], $operands[2])) { if (!isset($operands[0], $operands[1], $operands[2])) {
throw new Exception("Operator '$operator' requires three operands."); throw new Exception("Operator '$operator' requires three operands.");
@ -699,18 +654,19 @@ class QueryBuilder extends Object
list($column, $value1, $value2) = $operands; list($column, $value1, $value2) = $operands;
if (strpos($column, '(') === false) { if (strpos($column, '(') === false) {
$column = $this->db->quoteColumnName($column); $quotedColumn = $this->db->quoteColumnName($column);
} else {
$quotedColumn = $column;
} }
$phName1 = self::PARAM_PREFIX . count($params); $phName1 = $this->composeColumnValue($indexes, $column, $value1, $params);
$params[$phName1] = $value1; $phName2 = $this->composeColumnValue($indexes, $column, $value2, $params);
$phName2 = self::PARAM_PREFIX . count($params);
$params[$phName2] = $value2;
return "$column $operator $phName1 AND $phName2"; return "$quotedColumn $operator $phName1 AND $phName2";
} }
/** /**
* Creates an SQL expressions with the `IN` operator. * Creates an SQL expressions with the `IN` operator.
* @param IndexSchema[] $indexes list of indexes, which affected by query
* @param string $operator the operator to use (e.g. `IN` or `NOT IN`) * @param string $operator the operator to use (e.g. `IN` or `NOT IN`)
* @param array $operands the first operand is the column name. If it is an array * @param array $operands the first operand is the column name. If it is an array
* a composite IN condition will be generated. * a composite IN condition will be generated.
@ -721,7 +677,7 @@ class QueryBuilder extends Object
* @return string the generated SQL expression * @return string the generated SQL expression
* @throws Exception if wrong number of operands have been given. * @throws Exception if wrong number of operands have been given.
*/ */
public function buildInCondition($operator, $operands, &$params) public function buildInCondition($indexes, $operator, $operands, &$params)
{ {
if (!isset($operands[0], $operands[1])) { if (!isset($operands[0], $operands[1])) {
throw new Exception("Operator '$operator' requires two operands."); throw new Exception("Operator '$operator' requires two operands.");
@ -736,7 +692,7 @@ class QueryBuilder extends Object
} }
if (count($column) > 1) { if (count($column) > 1) {
return $this->buildCompositeInCondition($operator, $column, $values, $params); return $this->buildCompositeInCondition($indexes, $operator, $column, $values, $params);
} elseif (is_array($column)) { } elseif (is_array($column)) {
$column = reset($column); $column = reset($column);
} }
@ -744,18 +700,7 @@ class QueryBuilder extends Object
if (is_array($value)) { if (is_array($value)) {
$value = isset($value[$column]) ? $value[$column] : null; $value = isset($value[$column]) ? $value[$column] : null;
} }
if ($value === null) { $values[$i] = $this->composeColumnValue($indexes, $column, $value, $params);
$values[$i] = 'NULL';
} elseif ($value instanceof Expression) {
$values[$i] = $value->expression;
foreach ($value->params as $n => $v) {
$params[$n] = $v;
}
} else {
$phName = self::PARAM_PREFIX . count($params);
$params[$phName] = $value;
$values[$i] = $phName;
}
} }
if (strpos($column, '(') === false) { if (strpos($column, '(') === false) {
$column = $this->db->quoteColumnName($column); $column = $this->db->quoteColumnName($column);
@ -769,16 +714,22 @@ class QueryBuilder extends Object
} }
} }
protected function buildCompositeInCondition($operator, $columns, $values, &$params) /**
* @param IndexSchema[] $indexes list of indexes, which affected by query
* @param string $operator the operator to use (e.g. `IN` or `NOT IN`)
* @param array $columns
* @param array $values
* @param array $params the binding parameters to be populated
* @return string the generated SQL expression
*/
protected function buildCompositeInCondition($indexes, $operator, $columns, $values, &$params)
{ {
$vss = []; $vss = [];
foreach ($values as $value) { foreach ($values as $value) {
$vs = []; $vs = [];
foreach ($columns as $column) { foreach ($columns as $column) {
if (isset($value[$column])) { if (isset($value[$column])) {
$phName = self::PARAM_PREFIX . count($params); $vs[] = $this->composeColumnValue($indexes, $column, $value[$column], $params);
$params[$phName] = $value[$column];
$vs[] = $phName;
} else { } else {
$vs[] = 'NULL'; $vs[] = 'NULL';
} }
@ -795,6 +746,7 @@ class QueryBuilder extends Object
/** /**
* Creates an SQL expressions with the `LIKE` operator. * Creates an SQL expressions with the `LIKE` operator.
* @param IndexSchema[] $indexes list of indexes, which affected by query
* @param string $operator the operator to use (e.g. `LIKE`, `NOT LIKE`, `OR LIKE` or `OR NOT LIKE`) * @param string $operator the operator to use (e.g. `LIKE`, `NOT LIKE`, `OR LIKE` or `OR NOT LIKE`)
* @param array $operands the first operand is the column name. * @param array $operands the first operand is the column name.
* The second operand is a single value or an array of values that column value * The second operand is a single value or an array of values that column value
@ -805,7 +757,7 @@ class QueryBuilder extends Object
* @return string the generated SQL expression * @return string the generated SQL expression
* @throws Exception if wrong number of operands have been given. * @throws Exception if wrong number of operands have been given.
*/ */
public function buildLikeCondition($operator, $operands, &$params) public function buildLikeCondition($indexes, $operator, $operands, &$params)
{ {
if (!isset($operands[0], $operands[1])) { if (!isset($operands[0], $operands[1])) {
throw new Exception("Operator '$operator' requires two operands."); throw new Exception("Operator '$operator' requires two operands.");
@ -902,4 +854,46 @@ class QueryBuilder extends Object
} }
return 'OPTION ' . implode(', ', $optionLines); return 'OPTION ' . implode(', ', $optionLines);
} }
/**
* Composes column value for SQL, taking in account the column type.
* @param IndexSchema[] $indexes list of indexes, which affected by query
* @param string $columnName name of the column
* @param mixed $value raw column value
* @param array $params the binding parameters to be populated
* @return string SQL expression, which represents column value
*/
protected function composeColumnValue($indexes, $columnName, $value, &$params) {
if ($value === null) {
return 'NULL';
} elseif ($value instanceof Expression) {
$params = array_merge($params, $value->params);
return $value->expression;
}
foreach ($indexes as $index) {
$columnSchema = $index->getColumn($columnName);
if ($columnSchema !== null) {
break;
}
}
if (is_array($value)) {
// MVA :
$lineParts = [];
foreach ($value as $subValue) {
if ($subValue instanceof Expression) {
$params = array_merge($params, $subValue->params);
$lineParts[] = $subValue->expression;
} else {
$phName = self::PARAM_PREFIX . count($params);
$lineParts[] = $phName;
$params[$phName] = (isset($columnSchema)) ? $columnSchema->typecast($subValue) : $subValue;
}
}
return '(' . implode(',', $lineParts) . ')';
} else {
$phName = self::PARAM_PREFIX . count($params);
$params[$phName] = (isset($columnSchema)) ? $columnSchema->typecast($value) : $value;
return $phName;
}
}
} }
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