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Merge pull request #6307 from kenjis/fix-docs-db-metadata.rst
docs: improve database/metadata.rst
2 parents aef22f7 + dd86ad0 commit e92a5d0

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user_guide_src/source/database/metadata/001.php

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<?php
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$db = db_connect();
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$tables = $db->listTables();
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foreach ($tables as $table) {
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<?php
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$db = db_connect();
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if ($db->tableExists('table_name')) {
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// some code...
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}

user_guide_src/source/database/metadata/003.php

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<?php
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$db = db_connect();
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$fields = $db->getFieldNames('table_name');
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foreach ($fields as $field) {

user_guide_src/source/database/metadata/004.php

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<?php
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$db = db_connect();
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$query = $db->query('SELECT * FROM some_table');
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foreach ($query->getFieldNames() as $field) {
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<?php
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$db = db_connect();
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if ($db->fieldExists('field_name', 'table_name')) {
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// some code...
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}

user_guide_src/source/database/metadata/006.php

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<?php
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$db = db_connect();
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$fields = $db->getFieldData('table_name');
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foreach ($fields as $field) {
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<?php
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$db = db_connect();
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$query = $db->query('YOUR QUERY');
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$fields = $query->fieldData();
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$fields = $query->getFieldData();

user_guide_src/source/database/metadata/008.php

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<?php
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$db = db_connect();
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$keys = $db->getIndexData('table_name');
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foreach ($keys as $key) {

user_guide_src/source/database/metadata/009.php

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<?php
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$db = db_connect();
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$keys = $db->getForeignKeyData('table_name');
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foreach ($keys as $key) {

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