SchemaTrait::getSchemaByName() - Code Metrics - Inspection of "testing new scrutinizer" - HuasoFoundries/phpPgAdmin6 - Measure and Improve Code Quality continuously with Scrutinizer

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by Felipe

created 2018-06-19 16:14 UTC

SchemaTrait::getSchemaByName() A

↳ Parent: SchemaTrait

Complexity

Conditions	1
Paths	1

Size

Total Lines	11
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	11
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	4
nc	1
nop	1

<?php

/**
 * PHPPgAdmin v6.0.0-beta.48
 */

namespace PHPPgAdmin\Database\Traits;

/**
 * Common trait for tables manipulation.
 */
trait SchemaTrait
{
    // Schema functons

    /**
     * Return all schemas in the current database.
     *
     * @return \PHPPgAdmin\ADORecordSet All schemas, sorted alphabetically
     */
    public function getSchemas()
    {
        $conf = $this->conf;

        if (!$conf['show_system']) {
            $where = "WHERE nspname NOT LIKE 'pg@_%' ESCAPE '@' AND nspname != 'information_schema'";
        } else {
            $where = "WHERE nspname !~ '^pg_t(emp_[0-9]+|oast)$'";
        }

        $sql = "
            SELECT pn.nspname,
                   pu.rolname AS nspowner,
                   pg_catalog.obj_description(pn.oid, 'pg_namespace') AS nspcomment,
                   pg_size_pretty(SUM(pg_total_relation_size(pg_class.oid))) as schema_size
            FROM pg_catalog.pg_namespace pn
            LEFT JOIN pg_catalog.pg_class  ON relnamespace = pn.oid
            LEFT JOIN pg_catalog.pg_roles pu ON (pn.nspowner = pu.oid)
            {$where}
            GROUP BY pn.nspname, pu.rolname, pg_catalog.obj_description(pn.oid, 'pg_namespace')
            ORDER BY nspname";

        return $this->selectSet($sql);
    }

    /**
     * Sets the current working schema.  Will also set Class variable.
     *
     * @param string $schema The the name of the schema to work in
     *
     * @return int 0 if operation was successful
     */
    public function setSchema($schema)
    {
        // Get the current schema search path, including 'pg_catalog'.
        $search_path = $this->getSearchPath();
        // Prepend $schema to search path
        array_unshift($search_path, $schema);
        $status = $this->setSearchPath($search_path);

        if ($status == 0) {
            $this->_schema = $schema;

            return 0;
        }

        return $status;
    }

    /**
     * Return the current schema search path.
     *
     * @return array array of schema names
     */
    public function getSearchPath()
    {
        $sql = 'SELECT current_schemas(false) AS search_path';

        $fetchMode = $this->conn->fetchMode;
        $this->conn->setFetchMode(\ADODB_FETCH_ASSOC);
        $search_path = $this->selectField($sql, 'search_path');
        $this->conn->setFetchMode($fetchMode);

        return $this->phpArray($search_path);
    }

    /**
     * Sets the current schema search path.
     *
     * @param mixed $paths An array of schemas in required search order
     *
     * @return int 0 if operation was successful
     */
    public function setSearchPath($paths)
    {
        if (!is_array($paths)) {
            return -1;
        }

        if (sizeof($paths) == 0) {
            return -2;
        }
        if (sizeof($paths) == 1 && $paths[0] == '') {
            // Need to handle empty paths in some cases
            $paths[0] = 'pg_catalog';
        }

        // Loop over all the paths to check that none are empty
        $temp = [];
        foreach ($paths as $schema) {
            if ($schema != '') {
                $temp[] = $schema;
            }
        }
        $this->fieldArrayClean($temp);

        $sql = 'SET SEARCH_PATH TO "'.implode('","', $temp).'"';

        return $this->execute($sql);
    }

    /**
     * Creates a new schema.
     *
     * @param string $schemaname    The name of the schema to create
     * @param string $authorization (optional) The username to create the schema for
     * @param string $comment       (optional) If omitted, defaults to nothing
     *
     * @return bool|int 0 success
     */
    public function createSchema($schemaname, $authorization = '', $comment = '')
    {
        $this->fieldClean($schemaname);
        $this->fieldClean($authorization);

        $sql = "CREATE SCHEMA \"{$schemaname}\"";
        if ($authorization != '') {
            $sql .= " AUTHORIZATION \"{$authorization}\"";
        }

        if ($comment != '') {
            $status = $this->beginTransaction();
            if ($status != 0) {
                return -1;
            }
        }

        // Create the new schema
        $status = $this->execute($sql);
        if ($status != 0) {
            $this->rollbackTransaction();

            return -1;
        }

        // Set the comment
        if ($comment != '') {
            $status = $this->setComment('SCHEMA', $schemaname, '', $comment);
            if ($status != 0) {
                $this->rollbackTransaction();

                return -1;
            }

            return $this->endTransaction();
        }

        return 0;
    }

    /**
     * Updates a schema.
     *
     * @param string $schemaname The name of the schema to drop
     * @param string $comment    The new comment for this schema
     * @param string $name       new name for this schema
     * @param string $owner      The new owner for this schema
     *
     * @return bool|int 0 success
     */
    public function updateSchema($schemaname, $comment, $name, $owner)
    {
        $this->fieldClean($schemaname);
        $this->fieldClean($name);
        $this->fieldClean($owner);

        $status = $this->beginTransaction();
        if ($status != 0) {
            $this->rollbackTransaction();

            return -1;
        }

        $status = $this->setComment('SCHEMA', $schemaname, '', $comment);
        if ($status != 0) {
            $this->rollbackTransaction();

            return -1;
        }

        $schema_rs = $this->getSchemaByName($schemaname);
        /* Only if the owner change */
        if ($schema_rs->fields['ownername'] != $owner) {
            $sql    = "ALTER SCHEMA \"{$schemaname}\" OWNER TO \"{$owner}\"";
            $status = $this->execute($sql);
            if ($status != 0) {
                $this->rollbackTransaction();

                return -1;
            }
        }

        // Only if the name has changed
        if ($name != $schemaname) {
            $sql    = "ALTER SCHEMA \"{$schemaname}\" RENAME TO \"{$name}\"";
            $status = $this->execute($sql);
            if ($status != 0) {
                $this->rollbackTransaction();

                return -1;
            }
        }

        return $this->endTransaction();
    }

    /**
     * Return all information relating to a schema.
     *
     * @param string $schema The name of the schema
     *
     * @return \PHPPgAdmin\ADORecordSet Schema information
     */
    public function getSchemaByName($schema)
    {
        $this->clean($schema);
        $sql = "
            SELECT nspname, nspowner, r.rolname AS ownername, nspacl,
                pg_catalog.obj_description(pn.oid, 'pg_namespace') as nspcomment
            FROM pg_catalog.pg_namespace pn
                LEFT JOIN pg_roles as r ON pn.nspowner = r.oid
            WHERE nspname='{$schema}'";

        return $this->selectSet($sql);
    }

    // Table functions

    /**
     * Drops a schema.
     *
     * @param string $schemaname The name of the schema to drop
     * @param bool   $cascade    True to cascade drop, false to restrict
     *
     * @return int 0 if operation was successful
     */
    public function dropSchema($schemaname, $cascade)
    {
        $this->fieldClean($schemaname);

        $sql = "DROP SCHEMA \"{$schemaname}\"";
        if ($cascade) {
            $sql .= ' CASCADE';
        }

        return $this->execute($sql);
    }

    abstract public function fieldClean(&$str);

    abstract public function beginTransaction();

    abstract public function rollbackTransaction();

    abstract public function endTransaction();

    abstract public function execute($sql);

    abstract public function setComment($obj_type, $obj_name, $table, $comment, $basetype = null);

    abstract public function selectSet($sql);

    abstract public function clean(&$str);

    abstract public function phpBool($parameter);

    abstract public function hasCreateTableLikeWithConstraints();

    abstract public function hasCreateTableLikeWithIndexes();

    abstract public function hasTablespaces();

    abstract public function delete($table, $conditions, $schema = '');

    abstract public function fieldArrayClean(&$arr);

    abstract public function hasCreateFieldWithConstraints();

    abstract public function getAttributeNames($table, $atts);

    abstract public function selectField($sql, $field);

    abstract public function phpArray($dbarr);
}


1			<?php
2
3			/**
4			* PHPPgAdmin v6.0.0-beta.48
5			*/
6
7			namespace PHPPgAdmin\Database\Traits;
8
9			/**
10			* Common trait for tables manipulation.
11			*/
12			trait SchemaTrait
13			{
14			// Schema functons
15
16			/**
17			* Return all schemas in the current database.
18			*
19			* @return \PHPPgAdmin\ADORecordSet All schemas, sorted alphabetically
20			*/
21			public function getSchemas()
22			{
23			$conf = $this->conf;
24
25			if (!$conf['show_system']) {
26			$where = "WHERE nspname NOT LIKE 'pg@_%' ESCAPE '@' AND nspname != 'information_schema'";
27			} else {
28			$where = "WHERE nspname !~ '^pg_t(emp_[0-9]+\|oast)$'";
29			}
30
31			$sql = "
32			SELECT pn.nspname,
33			pu.rolname AS nspowner,
34			pg_catalog.obj_description(pn.oid, 'pg_namespace') AS nspcomment,
35			pg_size_pretty(SUM(pg_total_relation_size(pg_class.oid))) as schema_size
36			FROM pg_catalog.pg_namespace pn
37			LEFT JOIN pg_catalog.pg_class ON relnamespace = pn.oid
38			LEFT JOIN pg_catalog.pg_roles pu ON (pn.nspowner = pu.oid)
39			{$where}
40			GROUP BY pn.nspname, pu.rolname, pg_catalog.obj_description(pn.oid, 'pg_namespace')
41			ORDER BY nspname";
42
43			return $this->selectSet($sql);
44			}
45
46			/**
47			* Sets the current working schema. Will also set Class variable.
48			*
49			* @param string $schema The the name of the schema to work in
50			*
51			* @return int 0 if operation was successful
52			*/
53			public function setSchema($schema)
54			{
55			// Get the current schema search path, including 'pg_catalog'.
56			$search_path = $this->getSearchPath();
57			// Prepend $schema to search path
58			array_unshift($search_path, $schema);
59			$status = $this->setSearchPath($search_path);
60
61			if ($status == 0) {
62			$this->_schema = $schema;
63
64			return 0;
65			}
66
67			return $status;
68			}
69
70			/**
71			* Return the current schema search path.
72			*
73			* @return array array of schema names
74			*/
75			public function getSearchPath()
76			{
77			$sql = 'SELECT current_schemas(false) AS search_path';
78
79			$fetchMode = $this->conn->fetchMode;
80			$this->conn->setFetchMode(\ADODB_FETCH_ASSOC);
81			$search_path = $this->selectField($sql, 'search_path');
82			$this->conn->setFetchMode($fetchMode);
83
84			return $this->phpArray($search_path);
85			}
86
87			/**
88			* Sets the current schema search path.
89			*
90			* @param mixed $paths An array of schemas in required search order
91			*
92			* @return int 0 if operation was successful
93			*/
94			public function setSearchPath($paths)
95			{
96			if (!is_array($paths)) {
97			return -1;
98			}
99
100			if (sizeof($paths) == 0) {
101			return -2;
102			}
103			if (sizeof($paths) == 1 && $paths[0] == '') {
104			// Need to handle empty paths in some cases
105			$paths[0] = 'pg_catalog';
106			}
107
108			// Loop over all the paths to check that none are empty
109			$temp = [];
110			foreach ($paths as $schema) {
111			if ($schema != '') {
112			$temp[] = $schema;
113			}
114			}
115			$this->fieldArrayClean($temp);
116
117			$sql = 'SET SEARCH_PATH TO "'.implode('","', $temp).'"';
118
119			return $this->execute($sql);
120			}
121
122			/**
123			* Creates a new schema.
124			*
125			* @param string $schemaname The name of the schema to create
126			* @param string $authorization (optional) The username to create the schema for
127			* @param string $comment (optional) If omitted, defaults to nothing
128			*
129			* @return bool\|int 0 success
130			*/
131			public function createSchema($schemaname, $authorization = '', $comment = '')
132			{
133			$this->fieldClean($schemaname);
134			$this->fieldClean($authorization);
135
136			$sql = "CREATE SCHEMA \"{$schemaname}\"";
137			if ($authorization != '') {
138			$sql .= " AUTHORIZATION \"{$authorization}\"";
139			}
140
141			if ($comment != '') {
142			$status = $this->beginTransaction();
143			if ($status != 0) {
144			return -1;
145			}
146			}
147
148			// Create the new schema
149			$status = $this->execute($sql);
150			if ($status != 0) {
151			$this->rollbackTransaction();
152
153			return -1;
154			}
155
156			// Set the comment
157			if ($comment != '') {
158			$status = $this->setComment('SCHEMA', $schemaname, '', $comment);
159			if ($status != 0) {
160			$this->rollbackTransaction();
161
162			return -1;
163			}
164
165			return $this->endTransaction();
166			}
167
168			return 0;
169			}
170
171			/**
172			* Updates a schema.
173			*
174			* @param string $schemaname The name of the schema to drop
175			* @param string $comment The new comment for this schema
176			* @param string $name new name for this schema
177			* @param string $owner The new owner for this schema
178			*
179			* @return bool\|int 0 success
180			*/
181			public function updateSchema($schemaname, $comment, $name, $owner)
182			{
183			$this->fieldClean($schemaname);
184			$this->fieldClean($name);
185			$this->fieldClean($owner);
186
187			$status = $this->beginTransaction();
188			if ($status != 0) {
189			$this->rollbackTransaction();
190
191			return -1;
192			}
193
194			$status = $this->setComment('SCHEMA', $schemaname, '', $comment);
195			if ($status != 0) {
196			$this->rollbackTransaction();
197
198			return -1;
199			}
200
201			$schema_rs = $this->getSchemaByName($schemaname);
202			/* Only if the owner change */
203			if ($schema_rs->fields['ownername'] != $owner) {
204			$sql = "ALTER SCHEMA \"{$schemaname}\" OWNER TO \"{$owner}\"";
205			$status = $this->execute($sql);
206			if ($status != 0) {
207			$this->rollbackTransaction();
208
209			return -1;
210			}
211			}
212
213			// Only if the name has changed
214			if ($name != $schemaname) {
215			$sql = "ALTER SCHEMA \"{$schemaname}\" RENAME TO \"{$name}\"";
216			$status = $this->execute($sql);
217			if ($status != 0) {
218			$this->rollbackTransaction();
219
220			return -1;
221			}
222			}
223
224			return $this->endTransaction();
225			}
226
227			/**
228			* Return all information relating to a schema.
229			*
230			* @param string $schema The name of the schema
231			*
232			* @return \PHPPgAdmin\ADORecordSet Schema information
233			*/
234			public function getSchemaByName($schema)
235			{
236			$this->clean($schema);
237			$sql = "
238			SELECT nspname, nspowner, r.rolname AS ownername, nspacl,
239			pg_catalog.obj_description(pn.oid, 'pg_namespace') as nspcomment
240			FROM pg_catalog.pg_namespace pn
241			LEFT JOIN pg_roles as r ON pn.nspowner = r.oid
242			WHERE nspname='{$schema}'";
243
244			return $this->selectSet($sql);
245			}
246
247			// Table functions
248
249			/**
250			* Drops a schema.
251			*
252			* @param string $schemaname The name of the schema to drop
253			* @param bool $cascade True to cascade drop, false to restrict
254			*
255			* @return int 0 if operation was successful
256			*/
257			public function dropSchema($schemaname, $cascade)
258			{
259			$this->fieldClean($schemaname);
260
261			$sql = "DROP SCHEMA \"{$schemaname}\"";
262			if ($cascade) {
263			$sql .= ' CASCADE';
264			}
265
266			return $this->execute($sql);
267			}
268
269			abstract public function fieldClean(&$str);
270
271			abstract public function beginTransaction();
272
273			abstract public function rollbackTransaction();
274
275			abstract public function endTransaction();
276
277			abstract public function execute($sql);
278
279			abstract public function setComment($obj_type, $obj_name, $table, $comment, $basetype = null);
280
281			abstract public function selectSet($sql);
282
283			abstract public function clean(&$str);
284
285			abstract public function phpBool($parameter);
286
287			abstract public function hasCreateTableLikeWithConstraints();
288
289			abstract public function hasCreateTableLikeWithIndexes();
290
291			abstract public function hasTablespaces();
292
293			abstract public function delete($table, $conditions, $schema = '');
294
295			abstract public function fieldArrayClean(&$arr);
296
297			abstract public function hasCreateFieldWithConstraints();
298
299			abstract public function getAttributeNames($table, $atts);
300
301			abstract public function selectField($sql, $field);
302
303			abstract public function phpArray($dbarr);
304			}
305

HuasoFoundries / phpPgAdmin6

Push — develop ( c2019a...2cab77 )

SchemaTrait::getSchemaByName() A

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