Sqlite::_changeColumnName() - Code Metrics - ntentan/yentu - Measure and Improve Code Quality continuously with Scrutinizer

Sqlite::_changeColumnName() A
last analyzed 2025-06-01 19:51 UTC

↳ Parent: Sqlite

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	1
dl	0
loc	3
rs	10

<?php
namespace yentu\manipulators;

use yentu\Parameters;

/**
 * SQLite Database Structure Manipulator for the yentu migration engine.
 *
 * @author Ekow Abaka Ainooson
 */
class Sqlite extends AbstractDatabaseManipulator
{
    private $placeholders = [];

    protected function _addAutoPrimaryKey($details)
    {
        $this->rebuildTableFromDefinition($details['table']);
    }

    private function renameColumns(&$columns, $options)
    {
        if (isset($options['renamed_column'])) {
            foreach ($columns as $i => $column) {
                if ($options['renamed_column']['from']['name'] === $column) {
                    $columns[$i] = $options['renamed_column']['to']['name'];
                }
            }
        }
    }

    /**
     * Generate a query stub to represent the constraints section of a full
     * query (usually a CREATE TABLE or ADD COlUMN query).
     *
     * @param array<string> $columns An array of the names of columns in the constraint.
     * @param string $type The type of constraint `FOREIGN KEY`, `UNIQUE` etc.
     * @param string $name The name of the constraint.
     * @return string
     */
    private function getConstraintQuery($columns, $type, $name, $options)
    {
        $this->renameColumns($columns, $options);
        return ", CONSTRAINT `$name` $type (`" . implode('`, `', $columns) . "`)";
    }

    private function createIndices($indices, $table)
    {
        foreach ($indices as $name => $index) {
            $this->_addIndex(['name' => $name, 'table' => $table, 'columns' => $index['columns']]);
        }
    }

    /**
     * Generate all the constraint queries of a table.
     * This function is used when executing UNIQUE or PRIMARY KEY constraints.
     *
     * @param array<array> $constraints An array of details of all constraints.
     * @param string $type The type of constraint 'FOREIGN KEY' ... etc.
     * @return string
     */
    private function generateConstraintsQueries($constraints, $type, $options)
    {
        $query = '';
        foreach ($constraints as $name => $constraint) {
            $query .= $this->getConstraintQuery($constraint['columns'], $type, $name, $options);
        }
        return $query;
    }

    /**
     * Generate the query for a foreign key constraint.
     *
     * @param array<array> $constraintDetails
     * @return string
     */
    private function getFKConstraintQuery($constraints, $options)
    {
        $query = '';
        foreach ($constraints as $name => $constraint) {
            $this->renameColumns($constraint['foreign_columns'], $options);
            $query .= $this->getConstraintQuery($constraint['columns'], 'FOREIGN KEY', $name, $options) .
                sprintf(
                    " REFERENCES `{$constraint['foreign_table']}` (`" . implode('`, `', $constraint['foreign_columns']) . "`) %s %s",
                    isset($constraint['on_delete']) ? "ON DELETE {$constraint['on_delete']}" : '',
                    isset($constraint['on_update']) ? "ON UPDATE {$constraint['on_update']}" : ''
                );
        }
        return $query;
    }

    /**
     * Generate an SQL query field list to be used in a query for moving data
     * between a table and its altered counterpart.
     * This function is called when reconstructing SQLite tables.
     * New columns would be ignored as their default value would be appended.
     * Renamed columns would return the old name of the column with the new
     * name as an alias. Fields which are not altered in any way are returned
     * just as they are.
     *
     * @param array $column An array containing information about the column
     * @param array $options Contains information about the current operation.
     *     Through this variable we can know whether a new column has been
     *     added or an existing column has been renamed.
     * @param string $comma The comma state. Helps in comma placements for
     *     correct query generation.
     * @return string
     */
    private function getFieldListColumn($column, $options, $comma)
    {
        $return = false;
        if (isset($options['new_column'])) {
            if ($column['name'] == $options['new_column']['name']) {
                $return = '';
            }
        } else if (isset($options['renamed_column'])) {
            if ($column['name'] == $options['renamed_column']['to']['name']) {
                $return = $comma . "`{$options['renamed_column']['from']['name']}` as `{$options['renamed_column']['to']['name']}`";
            }
        }

        if ($return === false) {
            $return = $comma . "`{$column['name']}`";
        }
        return $return;
    }

    /**
     * Rebuids an entire table based on the current state of yentu's schema
     * description.
     * In order to work around SQLite's lack of full table altering routines,
     * this function does the work of creating new tables based on altered
     * versions of old tables and moves data between the old and new tables.
     * It takes advantage of the fact that yentu maintains an internal schema
     * description of all operations performed.
     *
     * @param string $tableName The name of the table to rebuild.
     * @param array $options An array which contains extra details about the
     *     operation which led to the rebuilding of the table. Currently the
     *     only options that are of interest are those that are passed when
     *     adding new columns and those that are passed when modifying existing
     *     columns.
     */
    private function rebuildTableFromDefinition($tableName, $options = [])
    {
        $this->query("PRAGMA foreign_keys=OFF");
        $table = Parameters::wrap(
            $this->getDescription()->getTable(['table' => $tableName, 'schema' => false]),
            ['auto_increment']
        );
        $dummyTable = "__yentu_{$table['name']}";
        $query = "CREATE TABLE `$dummyTable` (";
        $fieldList = '';
        $comma = '';
        $primaryKeyAdded = false;
        $primaryKeyColumn = '';

        if ($table['auto_increment'] && isset($table['primary_key'][0])) {
            $key = $table['primary_key'][0];
            $primaryKeyColumn = $key['columns'][0];
        }
        if (count($table['columns'])) {
            foreach ($table['columns'] as $column) {
                $query .= $comma . $this->getColumnDef($column);
                $fieldList .= $this->getFieldListColumn($column, $options, $comma);
                if ($column['name'] === $primaryKeyColumn) {
                    $query .= ' PRIMARY KEY AUTOINCREMENT';
                    $primaryKeyAdded = true;
                }
                $comma = ', ';
            }
        } else {
            // put back the placeholder column so the table can stand
            $query .= '`__yentu_placeholder_col` INTEGER';
        }

        if (!$primaryKeyAdded && isset($table['primary_key'])) {
            $query .= $this->generateConstraintsQueries($table['primary_key'], 'PRIMARY KEY', $options);
        }
        $query .= $this->generateConstraintsQueries($table['unique_keys'], 'UNIQUE', $options);
        $query .= $this->getFKConstraintQuery($table['foreign_keys'], $options);

        $query .= ')';

        $this->query($query);

        if (isset($options['new_column'])) {
            $this->query("INSERT INTO `$dummyTable` SELECT {$fieldList} , ? FROM `{$table['name']}`", $options['new_column']['default']);
        } else if (count($table['columns']) > 0) {
            $this->query("INSERT INTO `$dummyTable` SELECT {$fieldList} FROM `{$table['name']}`");
        }

        $this->query("DROP TABLE `{$table['name']}`");
        $this->query("ALTER TABLE `$dummyTable` RENAME TO `{$table['name']}`");
        $this->createIndices($table['indices'], $table['name']);
        $this->query("PRAGMA foreign_keys=ON");
    }

    /**
     * Generate an SQL query stub which represent a column definition.
     *
     * @param array $details
     * @return string
     */
    private function getColumnDef($details)
    {
        $details = Parameters::wrap($details, ['length', 'default']);
        return trim(sprintf(
            "`%s` %s %s %s",
            $details['name'],
            $this->convertTypes(
                $details['type'],
                self::CONVERT_TO_DRIVER,
                $details['length']
            ),
            $details['nulls'] === false ? 'NOT NULL' : '',
            $details['default'] === null ? null : "DEFAULT {$details['default']}"
        ));
    }

    protected function _addColumn($details)
    {
        if (isset($this->placeholders[$details['table']])) {
            $this->query("DROP TABLE `{$details['table']}`");
            $this->query(sprintf("CREATE TABLE `%s` (%s)",
                    $details['table'],
                    $this->getColumnDef($details)
                )
            );
            unset($this->placeholders[$details['table']]);
        } else if ($details['nulls'] === null || $details['nulls'] == true || ($details['nulls'] === false && $details['default'] !== null)) {
            $this->query("ALTER TABLE `{$details['table']}` ADD COLUMN " . $this->getColumnDef($details));
        } else {
            $this->rebuildTableFromDefinition($details['table'], ['new_column' => $details]);
        }
    }

    protected function _addForeignKey($details)
    {
        $this->rebuildTableFromDefinition($details['table']);
    }

    protected function _addIndex($details)
    {
        $this->query("CREATE INDEX `{$details['name']}` ON `{$details['table']}` (`" . implode("`, `", $details['columns']) . "`)");
    }

    protected function _addPrimaryKey($details)
    {
        $this->rebuildTableFromDefinition($details['table']);
    }

    protected function _addSchema($name)
    {


    }

    protected function _addTable($details)
    {
        $this->query("CREATE TABLE `{$details['name']}` (`__yentu_placeholder_col` INTEGER)");
        $this->placeholders[$details['name']] = true;
    }

    protected function _addUniqueKey($details)
    {
        $this->rebuildTableFromDefinition($details['table']);
    }

    protected function _addView($details)
    {
        $this->query("CREATE VIEW `{$details['name']}` AS {$details['definition']}");
    }

    protected function _changeColumnDefault($details)
    {
        $this->rebuildTableFromDefinition($details['to']['table']);
    }

    protected function _changeColumnName($details)
    {
        $this->rebuildTableFromDefinition($details['to']['table'], ['renamed_column' => $details]);
    }

    protected function _changeColumnNulls($details)
    {
        $this->rebuildTableFromDefinition($details['to']['table']);
    }

    protected function _changeViewDefinition($details)
    {
        $this->query("DROP VIEW `{$details['to']['name']}`");
        $this->_addView($details['to']);
    }

    protected function _dropAutoPrimaryKey($details)
    {
        $this->rebuildTableFromDefinition($details['table']);
    }

    protected function _dropColumn($details)
    {
        $this->rebuildTableFromDefinition($details['table']);

    }

    protected function _dropForeignKey($details)
    {
        $this->rebuildTableFromDefinition($details['table']);
    }

    protected function _dropIndex($details)
    {
        $this->query("DROP INDEX `{$details['name']}`");
    }

    protected function _dropPrimaryKey($details)
    {
        $this->rebuildTableFromDefinition($details['table']);
    }

    protected function _dropSchema($name)
    {


    }

    protected function _dropTable($details)
    {
        $this->query("DROP TABLE `{$details['name']}`");
    }

    protected function _dropUniqueKey($details)
    {
        $this->rebuildTableFromDefinition($details['table']);
    }

    protected function _dropView($details)
    {
        $this->query("DROP VIEW `{$details['name']}`");
    }

    public function convertTypes($type, $direction, $length)
    {
        $destinationType = null;
        $types = [
            ['integer', 'integer'],
            ['text', 'string'],
            ['real', 'double'],
            ['text', 'timestamp'],
            ['text', 'text'],
            ['blob', 'blob'],
            ['integer', 'boolean'],
            ['integer', 'bigint'],
            ['text', 'date']
        ];

        $type = strtolower($type);

        foreach ($types as $testType) {
            if ($direction === self::CONVERT_TO_DRIVER && $testType[1] === $type) {
                $destinationType = $testType[0];
                break;
            } else if ($direction === self::CONVERT_TO_YENTU && $testType[0] === $type) {
                $destinationType = $testType[1];
                break;
            }
        }

        if ($destinationType == '') {
            throw new \yentu\exceptions\DatabaseManipulatorException("Invalid data type {$type} requested");
        } else if ($destinationType == 'text') {
            $destinationType .= $length === null ? '' : "($length)";
        }
        return $destinationType;
    }

    protected function _changeTableName($details)
    {
        $this->query(
            sprintf(
                "ALTER TABLE `%s` RENAME TO `%s`",
                $details['from']['name'], $details['to']['name']
            )
        );
    }

}



1			<?php
2			namespace yentu\manipulators;
3
4			use yentu\Parameters;
5
6			/**
7			* SQLite Database Structure Manipulator for the yentu migration engine.
8			*
9			* @author Ekow Abaka Ainooson
10			*/
11			class Sqlite extends AbstractDatabaseManipulator
12			{
13			private $placeholders = [];
14
15			protected function _addAutoPrimaryKey($details)
16			{
17			$this->rebuildTableFromDefinition($details['table']);
18			}
19
20			private function renameColumns(&$columns, $options)
21			{
22			if (isset($options['renamed_column'])) {
23			foreach ($columns as $i => $column) {
24			if ($options['renamed_column']['from']['name'] === $column) {
25			$columns[$i] = $options['renamed_column']['to']['name'];
26			}
27			}
28			}
29			}
30
31			/**
32			* Generate a query stub to represent the constraints section of a full
33			* query (usually a CREATE TABLE or ADD COlUMN query).
34			*
35			* @param array<string> $columns An array of the names of columns in the constraint.
36			* @param string $type The type of constraint `FOREIGN KEY`, `UNIQUE` etc.
37			* @param string $name The name of the constraint.
38			* @return string
39			*/
40			private function getConstraintQuery($columns, $type, $name, $options)
41			{
42			$this->renameColumns($columns, $options);
43			return ", CONSTRAINT `$name` $type (`" . implode('`, `', $columns) . "`)";
44			}
45
46			private function createIndices($indices, $table)
47			{
48			foreach ($indices as $name => $index) {
49			$this->_addIndex(['name' => $name, 'table' => $table, 'columns' => $index['columns']]);
50			}
51			}
52
53			/**
54			* Generate all the constraint queries of a table.
55			* This function is used when executing UNIQUE or PRIMARY KEY constraints.
56			*
57			* @param array<array> $constraints An array of details of all constraints.
58			* @param string $type The type of constraint 'FOREIGN KEY' ... etc.
59			* @return string
60			*/
61			private function generateConstraintsQueries($constraints, $type, $options)
62			{
63			$query = '';
64			foreach ($constraints as $name => $constraint) {
65			$query .= $this->getConstraintQuery($constraint['columns'], $type, $name, $options);
66			}
67			return $query;
68			}
69
70			/**
71			* Generate the query for a foreign key constraint.
72			*
73			* @param array<array> $constraintDetails
74			* @return string
75			*/
76			private function getFKConstraintQuery($constraints, $options)
77			{
78			$query = '';
79			foreach ($constraints as $name => $constraint) {
80			$this->renameColumns($constraint['foreign_columns'], $options);
81			$query .= $this->getConstraintQuery($constraint['columns'], 'FOREIGN KEY', $name, $options) .
82			sprintf(
83			" REFERENCES `{$constraint['foreign_table']}` (`" . implode('`, `', $constraint['foreign_columns']) . "`) %s %s",
84			isset($constraint['on_delete']) ? "ON DELETE {$constraint['on_delete']}" : '',
85			isset($constraint['on_update']) ? "ON UPDATE {$constraint['on_update']}" : ''
86			);
87			}
88			return $query;
89			}
90
91			/**
92			* Generate an SQL query field list to be used in a query for moving data
93			* between a table and its altered counterpart.
94			* This function is called when reconstructing SQLite tables.
95			* New columns would be ignored as their default value would be appended.
96			* Renamed columns would return the old name of the column with the new
97			* name as an alias. Fields which are not altered in any way are returned
98			* just as they are.
99			*
100			* @param array $column An array containing information about the column
101			* @param array $options Contains information about the current operation.
102			* Through this variable we can know whether a new column has been
103			* added or an existing column has been renamed.
104			* @param string $comma The comma state. Helps in comma placements for
105			* correct query generation.
106			* @return string
107			*/
108			private function getFieldListColumn($column, $options, $comma)
109			{
110			$return = false;
111			if (isset($options['new_column'])) {
112			if ($column['name'] == $options['new_column']['name']) {
113			$return = '';
114			}
115			} else if (isset($options['renamed_column'])) {
116			if ($column['name'] == $options['renamed_column']['to']['name']) {
117			$return = $comma . "`{$options['renamed_column']['from']['name']}` as `{$options['renamed_column']['to']['name']}`";
118			}
119			}
120
121			if ($return === false) {
122			$return = $comma . "`{$column['name']}`";
123			}
124			return $return;
125			}
126
127			/**
128			* Rebuids an entire table based on the current state of yentu's schema
129			* description.
130			* In order to work around SQLite's lack of full table altering routines,
131			* this function does the work of creating new tables based on altered
132			* versions of old tables and moves data between the old and new tables.
133			* It takes advantage of the fact that yentu maintains an internal schema
134			* description of all operations performed.
135			*
136			* @param string $tableName The name of the table to rebuild.
137			* @param array $options An array which contains extra details about the
138			* operation which led to the rebuilding of the table. Currently the
139			* only options that are of interest are those that are passed when
140			* adding new columns and those that are passed when modifying existing
141			* columns.
142			*/
143			private function rebuildTableFromDefinition($tableName, $options = [])
144			{
145			$this->query("PRAGMA foreign_keys=OFF");
146			$table = Parameters::wrap(
147			$this->getDescription()->getTable(['table' => $tableName, 'schema' => false]),
148			['auto_increment']
149			);
150			$dummyTable = "__yentu_{$table['name']}";
151			$query = "CREATE TABLE `$dummyTable` (";
152			$fieldList = '';
153			$comma = '';
154			$primaryKeyAdded = false;
155			$primaryKeyColumn = '';
156
157			if ($table['auto_increment'] && isset($table['primary_key'][0])) {
158			$key = $table['primary_key'][0];
159			$primaryKeyColumn = $key['columns'][0];
160			}
161			if (count($table['columns'])) {
162			foreach ($table['columns'] as $column) {
163			$query .= $comma . $this->getColumnDef($column);
164			$fieldList .= $this->getFieldListColumn($column, $options, $comma);
165			if ($column['name'] === $primaryKeyColumn) {
166			$query .= ' PRIMARY KEY AUTOINCREMENT';
167			$primaryKeyAdded = true;
168			}
169			$comma = ', ';
170			}
171			} else {
172			// put back the placeholder column so the table can stand
173			$query .= '`__yentu_placeholder_col` INTEGER';
174			}
175
176			if (!$primaryKeyAdded && isset($table['primary_key'])) {
177			$query .= $this->generateConstraintsQueries($table['primary_key'], 'PRIMARY KEY', $options);
178			}
179			$query .= $this->generateConstraintsQueries($table['unique_keys'], 'UNIQUE', $options);
180			$query .= $this->getFKConstraintQuery($table['foreign_keys'], $options);
181
182			$query .= ')';
183
184			$this->query($query);
185
186			if (isset($options['new_column'])) {
187			$this->query("INSERT INTO `$dummyTable` SELECT {$fieldList} , ? FROM `{$table['name']}`", $options['new_column']['default']);
188			} else if (count($table['columns']) > 0) {
189			$this->query("INSERT INTO `$dummyTable` SELECT {$fieldList} FROM `{$table['name']}`");
190			}
191
192			$this->query("DROP TABLE `{$table['name']}`");
193			$this->query("ALTER TABLE `$dummyTable` RENAME TO `{$table['name']}`");
194			$this->createIndices($table['indices'], $table['name']);
195			$this->query("PRAGMA foreign_keys=ON");
196			}
197
198			/**
199			* Generate an SQL query stub which represent a column definition.
200			*
201			* @param array $details
202			* @return string
203			*/
204			private function getColumnDef($details)
205			{
206			$details = Parameters::wrap($details, ['length', 'default']);
207			return trim(sprintf(
208			"`%s` %s %s %s",
209			$details['name'],
210			$this->convertTypes(
211			$details['type'],
212			self::CONVERT_TO_DRIVER,
213			$details['length']
214			),
215			$details['nulls'] === false ? 'NOT NULL' : '',
216			$details['default'] === null ? null : "DEFAULT {$details['default']}"
217			));
218			}
219
220			protected function _addColumn($details)
221			{
222			if (isset($this->placeholders[$details['table']])) {
223			$this->query("DROP TABLE `{$details['table']}`");
224			$this->query(sprintf("CREATE TABLE `%s` (%s)",
225			$details['table'],
226			$this->getColumnDef($details)
227			)
228			);
229			unset($this->placeholders[$details['table']]);
230			} else if ($details['nulls'] === null \|\| $details['nulls'] == true \|\| ($details['nulls'] === false && $details['default'] !== null)) {
231			$this->query("ALTER TABLE `{$details['table']}` ADD COLUMN " . $this->getColumnDef($details));
232			} else {
233			$this->rebuildTableFromDefinition($details['table'], ['new_column' => $details]);
234			}
235			}
236
237			protected function _addForeignKey($details)
238			{
239			$this->rebuildTableFromDefinition($details['table']);
240			}
241
242			protected function _addIndex($details)
243			{
244			$this->query("CREATE INDEX `{$details['name']}` ON `{$details['table']}` (`" . implode("`, `", $details['columns']) . "`)");
245			}
246
247			protected function _addPrimaryKey($details)
248			{
249			$this->rebuildTableFromDefinition($details['table']);
250			}
251
252			protected function _addSchema($name)
253			{
254
255
256			}
257
258			protected function _addTable($details)
259			{
260			$this->query("CREATE TABLE `{$details['name']}` (`__yentu_placeholder_col` INTEGER)");
261			$this->placeholders[$details['name']] = true;
262			}
263
264			protected function _addUniqueKey($details)
265			{
266			$this->rebuildTableFromDefinition($details['table']);
267			}
268
269			protected function _addView($details)
270			{
271			$this->query("CREATE VIEW `{$details['name']}` AS {$details['definition']}");
272			}
273
274			protected function _changeColumnDefault($details)
275			{
276			$this->rebuildTableFromDefinition($details['to']['table']);
277			}
278
279			protected function _changeColumnName($details)
280			{
281			$this->rebuildTableFromDefinition($details['to']['table'], ['renamed_column' => $details]);
282			}
283
284			protected function _changeColumnNulls($details)
285			{
286			$this->rebuildTableFromDefinition($details['to']['table']);
287			}
288
289			protected function _changeViewDefinition($details)
290			{
291			$this->query("DROP VIEW `{$details['to']['name']}`");
292			$this->_addView($details['to']);
293			}
294
295			protected function _dropAutoPrimaryKey($details)
296			{
297			$this->rebuildTableFromDefinition($details['table']);
298			}
299
300			protected function _dropColumn($details)
301			{
302			$this->rebuildTableFromDefinition($details['table']);
303
304			}
305
306			protected function _dropForeignKey($details)
307			{
308			$this->rebuildTableFromDefinition($details['table']);
309			}
310
311			protected function _dropIndex($details)
312			{
313			$this->query("DROP INDEX `{$details['name']}`");
314			}
315
316			protected function _dropPrimaryKey($details)
317			{
318			$this->rebuildTableFromDefinition($details['table']);
319			}
320
321			protected function _dropSchema($name)
322			{
323
324
325			}
326
327			protected function _dropTable($details)
328			{
329			$this->query("DROP TABLE `{$details['name']}`");
330			}
331
332			protected function _dropUniqueKey($details)
333			{
334			$this->rebuildTableFromDefinition($details['table']);
335			}
336
337			protected function _dropView($details)
338			{
339			$this->query("DROP VIEW `{$details['name']}`");
340			}
341
342			public function convertTypes($type, $direction, $length)
343			{
344			$destinationType = null;
345			$types = [
346			['integer', 'integer'],
347			['text', 'string'],
348			['real', 'double'],
349			['text', 'timestamp'],
350			['text', 'text'],
351			['blob', 'blob'],
352			['integer', 'boolean'],
353			['integer', 'bigint'],
354			['text', 'date']
355			];
356
357			$type = strtolower($type);
358
359			foreach ($types as $testType) {
360			if ($direction === self::CONVERT_TO_DRIVER && $testType[1] === $type) {
361			$destinationType = $testType[0];
362			break;
363			} else if ($direction === self::CONVERT_TO_YENTU && $testType[0] === $type) {
364			$destinationType = $testType[1];
365			break;
366			}
367			}
368
369			if ($destinationType == '') {
370			throw new \yentu\exceptions\DatabaseManipulatorException("Invalid data type {$type} requested");
371			} else if ($destinationType == 'text') {
372			$destinationType .= $length === null ? '' : "($length)";
373			}
374			return $destinationType;
375			}
376
377			protected function _changeTableName($details)
378			{
379			$this->query(
380			sprintf(
381			"ALTER TABLE `%s` RENAME TO `%s`",
382			$details['from']['name'], $details['to']['name']
383			)
384			);
385			}
386
387			}
388
389

ntentan / yentu

Sqlite::_changeColumnName() A last analyzed 2025-06-01 19:51 UTC

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Sqlite::_changeColumnName() A
last analyzed 2025-06-01 19:51 UTC