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Commit473a352

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SQL/JSON: Document behavior when input document is not jsonb
The input document to functions JSON_EXISTS(), JSON_QUERY(),JSON_VALUE(), and JSON_TABLE() can be specified as character orUTF8-encoded bytea strings. These are automatically converted tojsonb with an implicit cast before being passed to the jsonpathmachinery.In the current implementation, errors that occur when parsing thespecified string into a valid JSON document are thrownunconditionally. This means they are not subject to the explicit orimplicit ON ERROR clause of those functions, which is a standard-conforming behavior. Add a note to the documentation to mentionthat.Reported-by: Markus WinandDiscussion:https://postgr.es/m/F7DD1442-265C-4220-A603-CB0DEB77E91D%40winand.at
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‎doc/src/sgml/func.sgml

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@@ -18861,6 +18861,16 @@ DETAIL: Missing "]" after array dimensions.
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</tbody>
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</tgroup>
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</table>
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<note>
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<para>
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The <replaceable>context_item</replaceable> expression is converted to
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<type>jsonb</type> by an implicit cast if the expression is not already of
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type <type>jsonb</type>. Note, however, that any parsing errors that occur
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during that conversion are thrown unconditionally, that is, are not
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handled according to the (specified or implicit) <literal>ON ERROR</literal>
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clause.
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</para>
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</note>
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</sect2>
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<sect2 id="functions-sqljson-table">

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