QueryBuilder::dropDefaultValue() - Code Metrics - Inspection of "Added full support to Yii2 2.0.15.1" - edgardmessias/yii2-ibm-db2 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#14)

by Edgard

created 2018-11-11 19:12 UTC

QueryBuilder::dropDefaultValue() A

↳ Parent: QueryBuilder

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	6
ccs	4
cts	4
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	2
crap	1

<?php

/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace edgardmessias\db\ibm\db2;

use yii\base\InvalidParamException;
use yii\db\Constraint;
use yii\db\Expression;
use yii\db\Query;

/**
 * QueryBuilder is the query builder for DB2 databases.
 * 
 * @property Connection $db Connetion
 *
 * @author Edgard Lorraine Messias <[email protected]>
 * @author Nikita Verkhovin <[email protected]>
 */
class QueryBuilder extends \yii\db\QueryBuilder
{
    public $typeMap = [
        Schema::TYPE_PK => 'integer NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 1, INCREMENT BY 1) PRIMARY KEY',
        Schema::TYPE_BIGPK => 'bigint NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 1, INCREMENT BY 1) PRIMARY KEY',
        Schema::TYPE_STRING => 'varchar(255)',
        Schema::TYPE_TEXT => 'clob',
        Schema::TYPE_SMALLINT => 'smallint',
        Schema::TYPE_INTEGER => 'integer',
        Schema::TYPE_BIGINT => 'bigint',
        Schema::TYPE_FLOAT => 'float',
        Schema::TYPE_DOUBLE => 'double',
        Schema::TYPE_DECIMAL => 'decimal(10,0)',
        Schema::TYPE_DATETIME => 'timestamp',
        Schema::TYPE_TIMESTAMP => 'timestamp',
        Schema::TYPE_TIME => 'time',
        Schema::TYPE_DATE => 'date',
        Schema::TYPE_BINARY => 'blob',
        Schema::TYPE_BOOLEAN => 'smallint',
        Schema::TYPE_MONEY => 'decimal(19,4)',
    ];

    protected function defaultExpressionBuilders()
    {
        return array_merge(parent::defaultExpressionBuilders(), [
            'yii\db\conditions\InCondition' => 'edgardmessias\db\ibm\db2\conditions\InConditionBuilder',
            'yii\db\conditions\LikeCondition' => 'edgardmessias\db\ibm\db2\conditions\LikeConditionBuilder',
        ]);
    }

    /**
     * Builds a SQL statement for truncating a DB table.
     * @param string $table the table to be truncated. The name will be properly quoted by the method.
     * @return string the SQL statement for truncating a DB table.
     */
    public function truncateTable($table)
    {
        return 'TRUNCATE TABLE ' . $this->db->quoteTableName($table) . ' IMMEDIATE';
    }

    /**
     * @inheritdoc
     */
    public function resetSequence($tableName, $value = null)
    {
        $table = $this->db->getTableSchema($tableName);

        if ($table !== null && isset($table->columns[$table->sequenceName])) {
            if ($value === null) {
                $sql = 'SELECT MAX("'. $table->sequenceName .'") FROM "'. $tableName . '"';
                $value = $this->db->createCommand($sql)->queryScalar() + 1;
            } else {
                $value = (int) $value;
            }
            return 'ALTER TABLE "' . $tableName . '" ALTER COLUMN "'.$table->sequenceName.'" RESTART WITH ' . $value;
        } elseif ($table === null) {
            throw new InvalidParamException("Table not found: $tableName");

        } else {
            throw new InvalidParamException("There is no sequence associated with table '$tableName'.");

        }
    }

    /**
     * Builds a SQL statement for enabling or disabling integrity check.
     * @param boolean $check whether to turn on or off the integrity check.
     * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
     * @param string $table the table name. Defaults to empty string, meaning that no table will be changed.
     * @return string the SQL statement for checking integrity
     * @throws \yii\base\NotSupportedException if this is not supported by the underlying DBMS
     * @see http://www-01.ibm.com/support/knowledgecenter/SSEPGG_10.5.0/com.ibm.db2.luw.sql.ref.doc/doc/r0000998.html?cp=SSEPGG_10.5.0%2F2-12-7-227
     */
    public function checkIntegrity($check = true, $schema = '', $table = '')
    {
        if ($table) {
            $tableNames = [$table];
        } else {
            if (!$schema) {
                $schema = $this->db->defaultSchema;
            }

            //Return only tables
            $sql = "SELECT t.tabname FROM syscat.tables AS t"
                    . " WHERE t.type in ('T') AND t.ownertype != 'S'";

            /**
             * Filter by integrity pending
             * @see http://www-01.ibm.com/support/knowledgecenter/SSEPGG_9.7.0/com.ibm.db2.luw.sql.ref.doc/doc/r0001063.html
             */
            if ($check) {
                $sql .= " AND t.status = 'C'";
            }
            if ($schema) {
                $sql .= ' AND t.tabschema = :schema';
            }
            
            $command = $this->db->createCommand($sql);
            if ($schema) {
                $command->bindValue(':schema', $schema);
            }

            $tableNames = $command->queryColumn();
        }

        if (empty($tableNames)) {
            return '';
        }

        $quotedTableNames = [];
        foreach ($tableNames as $tableName) {
            $quotedTableNames[] = $this->db->quoteTableName($tableName) . ($check? '' : ' ALL');
        }

        $enable = $check ? 'CHECKED' : 'UNCHECKED';
        return 'SET INTEGRITY FOR ' . implode(', ', $quotedTableNames) . ' IMMEDIATE ' . $enable. ';';
    }

    /**
     * @inheritdoc
     */
    public function buildOrderByAndLimit($sql, $orderBy, $limit, $offset)
    {
        $limitOffsetStatment = $this->buildLimit($limit, $offset);
        if ($limitOffsetStatment != '') {
            $sql = str_replace(':query', $sql, $limitOffsetStatment);

            //convert "item"."id" to "id" to use in OVER()
            $newOrderBy = [];

            if(!empty($orderBy)){
                foreach ($orderBy as $name => $direction) {
                    if(is_string($name)){
                        $e = explode('.', $name);
                        $name = array_pop($e);
                    }
                    $newOrderBy[$name] = $direction;
                }
            }

            $orderByStatment = $this->buildOrderBy($newOrderBy);

            $sql = str_replace(':order', $orderByStatment,$sql);
        }else{
            $orderByStatment = $this->buildOrderBy($orderBy);
            if ($orderByStatment !== '') {
                $sql .= $this->separator . $orderByStatment;
            }
        }
        return $sql;
    }

    /**
     * @inheritdoc
     */
    public function buildLimit($limit, $offset)
    {
        if (!$this->hasLimit($limit) && !$this->hasOffset($offset)) {
            return '';
        }

        if (!$this->hasOffset($offset)) {
            return ':query FETCH FIRST ' . $limit . ' ROWS ONLY';
        }

        /**
         * @todo Need remote the `RN_` from result to use in "INSERT" query
         */
        $limitOffsetStatment = 'SELECT * FROM (SELECT SUBQUERY_.*, ROW_NUMBER() OVER(:order) AS RN_ FROM ( :query ) AS SUBQUERY_) as t WHERE :offset :limit';

        $replacement = $this->hasOffset($offset) ? 't.RN_ > ' . $offset : 't.RN_ > 0';
        $limitOffsetStatment = str_replace(':offset', $replacement, $limitOffsetStatment);

        $replacement = '';
        
        if ($this->hasLimit($limit)) {
            if ($limit instanceof \yii\db\ExpressionInterface || $offset instanceof \yii\db\ExpressionInterface) {
                $replacement = 'AND t.RN_ <= (' . $limit  . ' + ' . $offset . ')';
            } else {
                $replacement = 'AND t.RN_ <= ' . ($limit + $offset);
            }
        }
        $limitOffsetStatment = str_replace(':limit', $replacement, $limitOffsetStatment);

        return $limitOffsetStatment;
    }

    /**
     * @inheritdoc
     */
    public function alterColumn($table, $column, $type)
    {
        return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' ALTER COLUMN '
        . $this->db->quoteColumnName($column) . ' SET DATA TYPE '
        . $this->getColumnType($type);
    }

    /**
     * @inheritdoc
     */
    public function prepareInsertValues($table, $columns, $params = [])
    {
        $result = parent::prepareInsertValues($table, $columns, $params);

        // Empty placeholders, replace for (DEFAULT, DEFAULT, ...)
        if (empty($result[1]) && $result[2] === ' DEFAULT VALUES') {
            $schema = $this->db->getSchema();
            if (($tableSchema = $schema->getTableSchema($table)) !== null) {
                $columnSchemas = $tableSchema->columns;
            } else {
                $columnSchemas = [];
            }
            $result[1] = array_fill(0, count($columnSchemas), 'DEFAULT');
        }

        return $result;
    }
    
    /**
     * @inheritdoc
     */
    public function upsert($table, $insertColumns, $updateColumns, &$params)
    {
        /** @var Constraint[] $constraints */
        list($uniqueNames, $insertNames, $updateNames) = $this->prepareUpsertColumns($table, $insertColumns, $updateColumns, $constraints);
        if (empty($uniqueNames)) {
            return $this->insert($table, $insertColumns, $params);
        }

        $onCondition = ['or'];
        $quotedTableName = $this->db->quoteTableName($table);
        foreach ($constraints as $constraint) {
            $constraintCondition = ['and'];
            foreach ($constraint->columnNames as $name) {
$collection = json_decode($data, true);
if ( ! is_array($collection)) {
    throw new \RuntimeException('$collection must be an array.');
}

foreach ($collection as $item) { /** ... */ }
                $quotedName = $this->db->quoteColumnName($name);
                $constraintCondition[] = "$quotedTableName.$quotedName=\"EXCLUDED\".$quotedName";
            }
            $onCondition[] = $constraintCondition;
        }
        $on = $this->buildCondition($onCondition, $params);
        list(, $placeholders, $values, $params) = $this->prepareInsertValues($table, $insertColumns, $params);
        if (!empty($placeholders)) {
            $usingSelectValues = [];
            foreach ($insertNames as $index => $name) {
                $usingSelectValues[$name] = new Expression($placeholders[$index]);
            }
            $usingSubQuery = (new Query())
                ->select($usingSelectValues)
                ->from('SYSIBM.SYSDUMMY1');
            list($usingValues, $params) = $this->build($usingSubQuery, $params);
        }
        $mergeSql = 'MERGE INTO ' . $this->db->quoteTableName($table) . ' '
            . 'USING (' . (isset($usingValues) ? $usingValues : ltrim($values, ' ')) . ') "EXCLUDED" '
            . "ON ($on)";
        $insertValues = [];
        foreach ($insertNames as $name) {
            $quotedName = $this->db->quoteColumnName($name);
            if (strrpos($quotedName, '.') === false) {
                $quotedName = '"EXCLUDED".' . $quotedName;
            }
            $insertValues[] = $quotedName;
        }
        $insertSql = 'INSERT (' . implode(', ', $insertNames) . ')'
            . ' VALUES (' . implode(', ', $insertValues) . ')';
        if ($updateColumns === false) {
            return "$mergeSql WHEN NOT MATCHED THEN $insertSql";
        }

        if ($updateColumns === true) {
            $updateColumns = [];
            foreach ($updateNames as $name) {
                $quotedName = $this->db->quoteColumnName($name);
                if (strrpos($quotedName, '.') === false) {
                    $quotedName = '"EXCLUDED".' . $quotedName;
                }
                $updateColumns[$name] = new Expression($quotedName);
            }
        }
        list($updates, $params) = $this->prepareUpdateSets($table, $updateColumns, $params);
        $updateSql = 'UPDATE SET ' . implode(', ', $updates);
        return "$mergeSql WHEN MATCHED THEN $updateSql WHEN NOT MATCHED THEN $insertSql";
    }

    /**
     * Creates a SELECT EXISTS() SQL statement.
     * @param string $rawSql the subquery in a raw form to select from.
     * @return string the SELECT EXISTS() SQL statement.
     *
     * @since 2.0.8
     */
    public function selectExists($rawSql)
    {
        return 'SELECT CASE WHEN COUNT(*)>0 THEN 1 ELSE 0 END FROM (' . $rawSql . ') CHECKEXISTS';;
    }

    /**
     * Builds a SQL command for adding comment to column
     *
     * @param string $table the table whose column is to be commented. The table name will be properly quoted by the method.
     * @param string $column the name of the column to be commented. The column name will be properly quoted by the method.
     * @return string the SQL statement for adding comment on column
     * @since 2.0.8
     */
    public function dropCommentFromColumn($table, $column)
    {
        return 'COMMENT ON COLUMN ' . $this->db->quoteTableName($table) . '.' . $this->db->quoteColumnName($column) . " IS ''";
    }

    /**
     * Builds a SQL command for adding comment to table
     *
     * @param string $table the table whose column is to be commented. The table name will be properly quoted by the method.
     * @return string the SQL statement for adding comment on column
     * @since 2.0.8
     */
    public function dropCommentFromTable($table)
    {
        return 'COMMENT ON TABLE ' . $this->db->quoteTableName($table) . " IS ''";
    }

    /**
     * @inheritdoc
     */
    public function dropIndex($name, $table)
    {
        return 'DROP INDEX ' . $this->db->quoteTableName($name);
    }

    /**
     * {@inheritdoc}
     */
    public function addDefaultValue($name, $table, $column, $value)
    {
        return 'ALTER TABLE ' . $this->db->quoteTableName($table) 
            . ' ALTER COLUMN ' . $this->db->quoteColumnName($column)
            . ' SET DEFAULT ' . $this->db->quoteValue($value);
    }

    /**
     * {@inheritdoc}
     */
    public function dropDefaultValue($name, $table)
    {
        return 'ALTER TABLE ' . $this->db->quoteTableName($table) 
            . ' ALTER COLUMN ' . $this->db->quoteColumnName($name)
            . ' DROP DEFAULT';
    }
}


1		<?php
2
3		/**
4		* @link http://www.yiiframework.com/
5		* @copyright Copyright (c) 2008 Yii Software LLC
6		* @license http://www.yiiframework.com/license/
7		*/
8
9		namespace edgardmessias\db\ibm\db2;
10
11		use yii\base\InvalidParamException;
12		use yii\db\Constraint;
13		use yii\db\Expression;
14		use yii\db\Query;
15
16		/**
17		* QueryBuilder is the query builder for DB2 databases.
18		*
19		* @property Connection $db Connetion
20		*
21		* @author Edgard Lorraine Messias <[email protected]>
22		* @author Nikita Verkhovin <[email protected]>
23		*/
24		class QueryBuilder extends \yii\db\QueryBuilder
25		{
26		public $typeMap = [
27		Schema::TYPE_PK => 'integer NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 1, INCREMENT BY 1) PRIMARY KEY',
28		Schema::TYPE_BIGPK => 'bigint NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 1, INCREMENT BY 1) PRIMARY KEY',
29		Schema::TYPE_STRING => 'varchar(255)',
30		Schema::TYPE_TEXT => 'clob',
31		Schema::TYPE_SMALLINT => 'smallint',
32		Schema::TYPE_INTEGER => 'integer',
33		Schema::TYPE_BIGINT => 'bigint',
34		Schema::TYPE_FLOAT => 'float',
35		Schema::TYPE_DOUBLE => 'double',
36		Schema::TYPE_DECIMAL => 'decimal(10,0)',
37		Schema::TYPE_DATETIME => 'timestamp',
38		Schema::TYPE_TIMESTAMP => 'timestamp',
39		Schema::TYPE_TIME => 'time',
40		Schema::TYPE_DATE => 'date',
41		Schema::TYPE_BINARY => 'blob',
42		Schema::TYPE_BOOLEAN => 'smallint',
43		Schema::TYPE_MONEY => 'decimal(19,4)',
44		];
45
46	337	protected function defaultExpressionBuilders()
47		{
48	337	return array_merge(parent::defaultExpressionBuilders(), [
49	337	'yii\db\conditions\InCondition' => 'edgardmessias\db\ibm\db2\conditions\InConditionBuilder',
50	337	'yii\db\conditions\LikeCondition' => 'edgardmessias\db\ibm\db2\conditions\LikeConditionBuilder',
51	337	]);
52		}
53
54		/**
55		* Builds a SQL statement for truncating a DB table.
56		* @param string $table the table to be truncated. The name will be properly quoted by the method.
57		* @return string the SQL statement for truncating a DB table.
58		*/
59	1	public function truncateTable($table)
60		{
61	1	return 'TRUNCATE TABLE ' . $this->db->quoteTableName($table) . ' IMMEDIATE';
62		}
63
64		/**
65		* @inheritdoc
66		*/
67	5	public function resetSequence($tableName, $value = null)
68		{
69	5	$table = $this->db->getTableSchema($tableName);
70
71	5	if ($table !== null && isset($table->columns[$table->sequenceName])) {
72	5	if ($value === null) {
73		$sql = 'SELECT MAX("'. $table->sequenceName .'") FROM "'. $tableName . '"';
74		$value = $this->db->createCommand($sql)->queryScalar() + 1;
75		} else {
76	5	$value = (int) $value;
77		}
78	5	return 'ALTER TABLE "' . $tableName . '" ALTER COLUMN "'.$table->sequenceName.'" RESTART WITH ' . $value;
79		} elseif ($table === null) {
80		throw new InvalidParamException("Table not found: $tableName");
		0 ignored issues – show Deprecated Code introduced 2018-11-11 19:16 UTC by Report Bug Copy Issue Report The class `yii\base\InvalidParamException` has been deprecated with message: since 2.0.14. Use [[InvalidArgumentException]] instead. This class, trait or interface has been deprecated. The supplier of the file has supplied an explanatory message. The explanatory message should give you some clue as to whether and when the type will be removed from the class and what other constant to use instead. Loading history...
81		} else {
82		throw new InvalidParamException("There is no sequence associated with table '$tableName'.");
		0 ignored issues – show Deprecated Code introduced 2018-11-11 19:16 UTC by Report Bug Copy Issue Report The class `yii\base\InvalidParamException` has been deprecated with message: since 2.0.14. Use [[InvalidArgumentException]] instead. This class, trait or interface has been deprecated. The supplier of the file has supplied an explanatory message. The explanatory message should give you some clue as to whether and when the type will be removed from the class and what other constant to use instead. Loading history...
83		}
84		}
85
86		/**
87		* Builds a SQL statement for enabling or disabling integrity check.
88		* @param boolean $check whether to turn on or off the integrity check.
89		* @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
90		* @param string $table the table name. Defaults to empty string, meaning that no table will be changed.
91		* @return string the SQL statement for checking integrity
92		* @throws \yii\base\NotSupportedException if this is not supported by the underlying DBMS
93		* @see http://www-01.ibm.com/support/knowledgecenter/SSEPGG_10.5.0/com.ibm.db2.luw.sql.ref.doc/doc/r0000998.html?cp=SSEPGG_10.5.0%2F2-12-7-227
94		*/
95		public function checkIntegrity($check = true, $schema = '', $table = '')
96		{
97		if ($table) {
98		$tableNames = [$table];
99		} else {
100		if (!$schema) {
101		$schema = $this->db->defaultSchema;
102		}
103
104		//Return only tables
105		$sql = "SELECT t.tabname FROM syscat.tables AS t"
106		. " WHERE t.type in ('T') AND t.ownertype != 'S'";
107
108		/**
109		* Filter by integrity pending
110		* @see http://www-01.ibm.com/support/knowledgecenter/SSEPGG_9.7.0/com.ibm.db2.luw.sql.ref.doc/doc/r0001063.html
111		*/
112		if ($check) {
113		$sql .= " AND t.status = 'C'";
114		}
115		if ($schema) {
116		$sql .= ' AND t.tabschema = :schema';
117		}
118
119		$command = $this->db->createCommand($sql);
120		if ($schema) {
121		$command->bindValue(':schema', $schema);
122		}
123
124		$tableNames = $command->queryColumn();
125		}
126
127		if (empty($tableNames)) {
128		return '';
129		}
130
131		$quotedTableNames = [];
132		foreach ($tableNames as $tableName) {
133		$quotedTableNames[] = $this->db->quoteTableName($tableName) . ($check? '' : ' ALL');
134		}
135
136		$enable = $check ? 'CHECKED' : 'UNCHECKED';
137		return 'SET INTEGRITY FOR ' . implode(', ', $quotedTableNames) . ' IMMEDIATE ' . $enable. ';';
138		}
139
140		/**
141		* @inheritdoc
142		*/
143	263	public function buildOrderByAndLimit($sql, $orderBy, $limit, $offset)
144		{
145	263	$limitOffsetStatment = $this->buildLimit($limit, $offset);
146	263	if ($limitOffsetStatment != '') {
147	25	$sql = str_replace(':query', $sql, $limitOffsetStatment);
148
149		//convert "item"."id" to "id" to use in OVER()
150	25	$newOrderBy = [];
151
152	25	if(!empty($orderBy)){
153	9	foreach ($orderBy as $name => $direction) {
154	9	if(is_string($name)){
155	9	$e = explode('.', $name);
156	9	$name = array_pop($e);
157	9	}
158	9	$newOrderBy[$name] = $direction;
159	9	}
160	9	}
161
162	25	$orderByStatment = $this->buildOrderBy($newOrderBy);
163
164	25	$sql = str_replace(':order', $orderByStatment,$sql);
165	25	}else{
166	256	$orderByStatment = $this->buildOrderBy($orderBy);
167	256	if ($orderByStatment !== '') {
168	36	$sql .= $this->separator . $orderByStatment;
169	36	}
170		}
171	263	return $sql;
172		}
173
174		/**
175		* @inheritdoc
176		*/
177	263	public function buildLimit($limit, $offset)
178		{
179	263	if (!$this->hasLimit($limit) && !$this->hasOffset($offset)) {
180	256	return '';
181		}
182
183	25	if (!$this->hasOffset($offset)) {
184	23	return ':query FETCH FIRST ' . $limit . ' ROWS ONLY';
185		}
186
187		/**
188		* @todo Need remote the `RN_` from result to use in "INSERT" query
189		*/
190	3	$limitOffsetStatment = 'SELECT * FROM (SELECT SUBQUERY_.*, ROW_NUMBER() OVER(:order) AS RN_ FROM ( :query ) AS SUBQUERY_) as t WHERE :offset :limit';
191
192	3	$replacement = $this->hasOffset($offset) ? 't.RN_ > ' . $offset : 't.RN_ > 0';
193	3	$limitOffsetStatment = str_replace(':offset', $replacement, $limitOffsetStatment);
194
195	3	$replacement = '';
196
197	3	if ($this->hasLimit($limit)) {
198	2	if ($limit instanceof \yii\db\ExpressionInterface \|\| $offset instanceof \yii\db\ExpressionInterface) {
199	1	$replacement = 'AND t.RN_ <= (' . $limit . ' + ' . $offset . ')';
200	1	} else {
201	1	$replacement = 'AND t.RN_ <= ' . ($limit + $offset);
202		}
203	2	}
204	3	$limitOffsetStatment = str_replace(':limit', $replacement, $limitOffsetStatment);
205
206	3	return $limitOffsetStatment;
207		}
208
209		/**
210		* @inheritdoc
211		*/
212	1	public function alterColumn($table, $column, $type)
213		{
214	1	return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' ALTER COLUMN '
215	1	. $this->db->quoteColumnName($column) . ' SET DATA TYPE '
216	1	. $this->getColumnType($type);
217		}
218
219		/**
220		* @inheritdoc
221		*/
222	62	public function prepareInsertValues($table, $columns, $params = [])
223		{
224	62	$result = parent::prepareInsertValues($table, $columns, $params);
225
226		// Empty placeholders, replace for (DEFAULT, DEFAULT, ...)
227	59	if (empty($result[1]) && $result[2] === ' DEFAULT VALUES') {
228	1	$schema = $this->db->getSchema();
229	1	if (($tableSchema = $schema->getTableSchema($table)) !== null) {
230	1	$columnSchemas = $tableSchema->columns;
231	1	} else {
232		$columnSchemas = [];
233		}
234	1	$result[1] = array_fill(0, count($columnSchemas), 'DEFAULT');
235	1	}
236
237	59	return $result;
238		}
239
240		/**
241		* @inheritdoc
242		*/
243	17	public function upsert($table, $insertColumns, $updateColumns, &$params)
244		{
245		/** @var Constraint[] $constraints */
246	17	list($uniqueNames, $insertNames, $updateNames) = $this->prepareUpsertColumns($table, $insertColumns, $updateColumns, $constraints);
247	17	if (empty($uniqueNames)) {
248	3	return $this->insert($table, $insertColumns, $params);
249		}
250
251	14	$onCondition = ['or'];
252	14	$quotedTableName = $this->db->quoteTableName($table);
253	14	foreach ($constraints as $constraint) {
254	14	$constraintCondition = ['and'];
255	14	foreach ($constraint->columnNames as $name) {
		0 ignored issues – show Bug introduced 2018-11-11 19:16 UTC by Report Bug Copy Issue Report The expression `$constraint->columnNames` of type `array<integer,string>\|null` is not guaranteed to be traversable. How about adding an additional type check? There are different options of fixing this problem. If you want to be on the safe side, you can add an additional type-check: $collection = json_decode($data, true); if ( ! is_array($collection)) { throw new \RuntimeException('$collection must be an array.'); } foreach ($collection as $item) { /** ... / } If you are sure that the expression is traversable, you might want to add a doc comment cast* to improve IDE auto-completion and static analysis: /** @var array $collection / $collection = json_decode($data, true); foreach ($collection as $item) { /* .. / } Mark the issue as a false-positive*: Just hover the remove button, in the top-right corner of this issue for more options. Loading history...
256	14	$quotedName = $this->db->quoteColumnName($name);
257	14	$constraintCondition[] = "$quotedTableName.$quotedName=\"EXCLUDED\".$quotedName";
258	14	}
259	14	$onCondition[] = $constraintCondition;
260	14	}
261	14	$on = $this->buildCondition($onCondition, $params);
262	14	list(, $placeholders, $values, $params) = $this->prepareInsertValues($table, $insertColumns, $params);
263	14	if (!empty($placeholders)) {
264	6	$usingSelectValues = [];
265	6	foreach ($insertNames as $index => $name) {
266	6	$usingSelectValues[$name] = new Expression($placeholders[$index]);
267	6	}
268	6	$usingSubQuery = (new Query())
269	6	->select($usingSelectValues)
270	6	->from('SYSIBM.SYSDUMMY1');
271	6	list($usingValues, $params) = $this->build($usingSubQuery, $params);
272	6	}
273	14	$mergeSql = 'MERGE INTO ' . $this->db->quoteTableName($table) . ' '
274	14	. 'USING (' . (isset($usingValues) ? $usingValues : ltrim($values, ' ')) . ') "EXCLUDED" '
275	14	. "ON ($on)";
276	14	$insertValues = [];
277	14	foreach ($insertNames as $name) {
278	14	$quotedName = $this->db->quoteColumnName($name);
279	14	if (strrpos($quotedName, '.') === false) {
280	14	$quotedName = '"EXCLUDED".' . $quotedName;
281	14	}
282	14	$insertValues[] = $quotedName;
283	14	}
284	14	$insertSql = 'INSERT (' . implode(', ', $insertNames) . ')'
285	14	. ' VALUES (' . implode(', ', $insertValues) . ')';
286	14	if ($updateColumns === false) {
287	4	return "$mergeSql WHEN NOT MATCHED THEN $insertSql";
288		}
289
290	10	if ($updateColumns === true) {
291	4	$updateColumns = [];
292	4	foreach ($updateNames as $name) {
293	4	$quotedName = $this->db->quoteColumnName($name);
294	4	if (strrpos($quotedName, '.') === false) {
295	4	$quotedName = '"EXCLUDED".' . $quotedName;
296	4	}
297	4	$updateColumns[$name] = new Expression($quotedName);
298	4	}
299	4	}
300	10	list($updates, $params) = $this->prepareUpdateSets($table, $updateColumns, $params);
301	10	$updateSql = 'UPDATE SET ' . implode(', ', $updates);
302	10	return "$mergeSql WHEN MATCHED THEN $updateSql WHEN NOT MATCHED THEN $insertSql";
303		}
304
305		/**
306		* Creates a SELECT EXISTS() SQL statement.
307		* @param string $rawSql the subquery in a raw form to select from.
308		* @return string the SELECT EXISTS() SQL statement.
309		*
310		* @since 2.0.8
311		*/
312	21	public function selectExists($rawSql)
313		{
314	21	return 'SELECT CASE WHEN COUNT(*)>0 THEN 1 ELSE 0 END FROM (' . $rawSql . ') CHECKEXISTS';;
315		}
316
317		/**
318		* Builds a SQL command for adding comment to column
319		*
320		* @param string $table the table whose column is to be commented. The table name will be properly quoted by the method.
321		* @param string $column the name of the column to be commented. The column name will be properly quoted by the method.
322		* @return string the SQL statement for adding comment on column
323		* @since 2.0.8
324		*/
325	2	public function dropCommentFromColumn($table, $column)
326		{
327	2	return 'COMMENT ON COLUMN ' . $this->db->quoteTableName($table) . '.' . $this->db->quoteColumnName($column) . " IS ''";
328		}
329
330		/**
331		* Builds a SQL command for adding comment to table
332		*
333		* @param string $table the table whose column is to be commented. The table name will be properly quoted by the method.
334		* @return string the SQL statement for adding comment on column
335		* @since 2.0.8
336		*/
337	1	public function dropCommentFromTable($table)
338		{
339	1	return 'COMMENT ON TABLE ' . $this->db->quoteTableName($table) . " IS ''";
340		}
341
342		/**
343		* @inheritdoc
344		*/
345	2	public function dropIndex($name, $table)
346		{
347	2	return 'DROP INDEX ' . $this->db->quoteTableName($name);
348		}
349
350		/**
351		* {@inheritdoc}
352		*/
353	2	public function addDefaultValue($name, $table, $column, $value)
354		{
355	2	return 'ALTER TABLE ' . $this->db->quoteTableName($table)
356	2	. ' ALTER COLUMN ' . $this->db->quoteColumnName($column)
357	2	. ' SET DEFAULT ' . $this->db->quoteValue($value);
358		}
359
360		/**
361		* {@inheritdoc}
362		*/
363	2	public function dropDefaultValue($name, $table)
364		{
365	2	return 'ALTER TABLE ' . $this->db->quoteTableName($table)
366	2	. ' ALTER COLUMN ' . $this->db->quoteColumnName($name)
367	2	. ' DROP DEFAULT';
368		}
369		}
370

edgardmessias / yii2-ibm-db2

Pull Request — master (#14)

QueryBuilder::dropDefaultValue() A

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