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Limit, Order By

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This commit is contained in:
Roman Hergenreder
2020-04-03 14:46:29 +02:00
parent 9de6b22a90
commit 2636719583
5 changed files with 150 additions and 226 deletions
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114
core/Driver/SQL/MySQL.class.php
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@@ -18,10 +18,6 @@ use \Driver\SQL\Strategy\SetDefaultStrategy;
use \Driver\SQL\Strategy\SetNullStrategy;
use \Driver\SQL\Strategy\UpdateStrategy;
use \Driver\SQL\Constraint\Unique;
use \Driver\SQL\Constraint\PrimaryKey;
use \Driver\SQL\Constraint\ForeignKey;
class MySQL extends SQL {
public function __construct($connectionData) {
@@ -222,88 +218,8 @@ class MySQL extends SQL {
return $success;
}
public function executeSelect($select) {
$columns = $this->columnName($select->getColumns());
$tables = $select->getTables();
$params = array();
if (is_null($tables) || empty($tables)) {
return "SELECT $columns";
} else {
$tables = $this->tableName($tables);
}
$conditions = $select->getConditions();
if (!empty($conditions)) {
$condition = " WHERE " . $this->buildCondition($conditions, $params);
} else {
$condition = "";
}
$joinStr = "";
$joins = $select->getJoins();
if (!empty($joins)) {
$joinStr = "";
foreach($joins as $join) {
$type = $join->getType();
$joinTable = $this->tableName($join->getTable());
$columnA = $this->columnName($join->getColumnA());
$columnB = $this->columnName($join->getColumnB());
$joinStr .= " $type JOIN $joinTable ON $columnA=$columnB";
}
}
$orderBy = "";
$limit = "";
$offset = "";
$query = "SELECT $columns FROM $tables$joinStr$condition$orderBy$limit$offset";
return $this->execute($query, $params, true);
}
public function executeDelete($delete) {
$table = $delete->getTable();
$conditions = $delete->getConditions();
if (!empty($conditions)) {
$condition = " WHERE " . $this->buildCondition($conditions, $params);
} else {
$condition = "";
}
$query = "DELETE FROM $table$condition";
return $this->execute($query);
}
public function executeTruncate($truncate) {
return $this->execute("TRUNCATE " . $truncate->getTable());
}
public function executeUpdate($update) {
$params = array();
$table = $update->getTable();
$valueStr = array();
foreach($update->getValues() as $key => $val) {
$valueStr[] = "$key=" . $this->addValue($val, $params);
}
$valueStr = implode(",", $valueStr);
$conditions = $update->getConditions();
if (!empty($conditions)) {
$condition = " WHERE " . $this->buildCondition($conditions, $params);
} else {
$condition = "";
}
$query = "UPDATE $table SET $valueStr$condition";
return $this->execute($query, $params);
}
public function getColumnDefinition($column) {
$columnName = $column->getName();
$columnName = $this->columnName($column->getName());
$defaultValue = $column->getDefaultValue();
if ($column instanceof StringColumn) {
@@ -344,35 +260,9 @@ class MySQL extends SQL {
$defaultValue = "";
}
return "`$columnName` $type$notNull$defaultValue";
return "$columnName $type$notNull$defaultValue";
}
public function getConstraintDefinition($constraint) {
$columnName = $constraint->getColumnName();
if ($constraint instanceof PrimaryKey) {
if (is_array($columnName)) $columnName = implode('`,`', $columnName);
return "PRIMARY KEY (`$columnName`)";
} else if ($constraint instanceof Unique) {
if (is_array($columnName)) $columnName = implode('`,`', $columnName);
return "UNIQUE (`$columnName`)";
} else if ($constraint instanceof ForeignKey) {
$refTable = $constraint->getReferencedTable();
$refColumn = $constraint->getReferencedColumn();
$strategy = $constraint->onDelete();
$code = "FOREIGN KEY (`$columnName`) REFERENCES `$refTable` (`$refColumn`)";
if ($strategy instanceof SetDefaultStrategy) {
$code .= " ON DELETE SET DEFAULT";
} else if($strategy instanceof SetNullStrategy) {
$code .= " ON DELETE SET NULL";
} else if($strategy instanceof CascadeStrategy) {
$code .= " ON DELETE CASCADE";
}
return $code;
}
}
// TODO: check this please..
public function getValueDefinition($value) {
if (is_numeric($value)) {
return $value;