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116 | 116 | Besides <command>SELECT</command> queries, the commands can include data |
117 | 117 | modification queries (<command>INSERT</command>, |
118 | 118 | <command>UPDATE</command>, and <command>DELETE</command>), as well as |
119 | | - other SQL commands. (The only exception is that you cannot put |
120 | | - <command>BEGIN</>, <command>COMMIT</>, <command>ROLLBACK</>,or |
121 | | -<command>SAVEPOINT</> commandsinto a <acronym>SQL</acronym> function.) |
| 119 | + other SQL commands. (You cannot put transaction commands, e.g. |
| 120 | + <command>COMMIT</>, <command>SAVEPOINT</>,and some utility |
| 121 | +commands, e.g. <literal>VACUUM</> ,into an <acronym>SQL</acronym> function.) |
122 | 122 | However, the final command |
123 | 123 | must be a <command>SELECT</command> or have a <literal>RETURNING</> |
124 | 124 | clause that returns whatever is |
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