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Commit c64bcaa

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Nikita Glukhov
committed
Fix docs for SQL/JSON query functionsw: [] => optional
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‎doc/src/sgml/func.sgml

Lines changed: 34 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -17725,10 +17725,11 @@ INSERT INTO my_films VALUES (
1772517725
</refnamediv>
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1772717727
<refsynopsisdiv>
17728-
<synopsis>JSON_EXISTS (
17729-
<replaceable class="parameter">json_api_common_syntax</replaceable>
17730-
[ RETURNING <replaceable class="parameter">data_type</replaceable> ]
17731-
[ { TRUE | FALSE | UNKNOWN | ERROR } ON ERROR ]
17728+
<synopsis>
17729+
<function>JSON_EXISTS</function> (
17730+
<replaceable>context_item</replaceable>, <replaceable>path_expression</replaceable> <optional> PASSING { <replaceable>value</replaceable> AS <replaceable>varname</replaceable> } <optional>, ...</optional></optional>
17731+
<optional> RETURNING <replaceable class="parameter">data_type</replaceable> </optional>
17732+
<optional> { TRUE | FALSE | UNKNOWN | ERROR } ON ERROR </optional>
1773217733
)
1773317734
</synopsis>
1773417735
</refsynopsisdiv>
@@ -17747,7 +17748,7 @@ INSERT INTO my_films VALUES (
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<variablelist>
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<varlistentry>
1774917750
<term>
17750-
<literal><replaceable class="parameter">json_api_common_syntax</replaceable></literal>
17751+
<literal><replaceable>context_item</replaceable>, <replaceable>path_expression</replaceable> <optional> PASSING { <replaceable>value</replaceable> AS <replaceable>varname</replaceable> } <optional>, ...</optional></optional></literal>
1775117752
</term>
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<listitem>
1775317754

@@ -17841,11 +17842,12 @@ SELECT JSON_EXISTS(jsonb '{"a": [1,2,3]}', 'strict $.a[5]');
1784117842
</refnamediv>
1784217843

1784317844
<refsynopsisdiv>
17844-
<synopsis>JSON_VALUE (
17845-
<replaceable class="parameter">json_api_common_syntax</replaceable>
17846-
[ RETURNING <replaceable class="parameter">data_type</replaceable> ]
17847-
[ { ERROR | NULL | DEFAULT <replaceable class="parameter">expression</replaceable> } ON EMPTY ]
17848-
[ { ERROR | NULL | DEFAULT <replaceable class="parameter">expression</replaceable> } ON ERROR ]
17845+
<synopsis>
17846+
<function>JSON_VALUE</function> (
17847+
<replaceable>context_item</replaceable>, <replaceable>path_expression</replaceable> <optional> PASSING { <replaceable>value</replaceable> AS <replaceable>varname</replaceable> } <optional>, ...</optional></optional>
17848+
<optional> RETURNING <replaceable class="parameter">data_type</replaceable> </optional>
17849+
<optional> { ERROR | NULL | DEFAULT <replaceable class="parameter">expression</replaceable> } ON EMPTY </optional>
17850+
<optional> { ERROR | NULL | DEFAULT <replaceable class="parameter">expression</replaceable> } ON ERROR </optional>
1784917851
)
1785017852
</synopsis>
1785117853
</refsynopsisdiv>
@@ -17869,7 +17871,7 @@ SELECT JSON_EXISTS(jsonb '{"a": [1,2,3]}', 'strict $.a[5]');
1786917871

1787017872
<varlistentry>
1787117873
<term>
17872-
<literal><replaceable class="parameter">json_api_common_syntax</replaceable></literal>
17874+
<literal><replaceable>context_item</replaceable>, <replaceable>path_expression</replaceable> <optional> PASSING { <replaceable>value</replaceable> AS <replaceable>varname</replaceable> } <optional>, ...</optional></optional></literal>
1787317875
</term>
1787417876
<listitem>
1787517877

@@ -18002,13 +18004,14 @@ SELECT JSON_VALUE(jsonb '[1,2]', 'strict $[*]' DEFAULT 1 ON ERROR);
1800218004
</refnamediv>
1800318005

1800418006
<refsynopsisdiv>
18005-
<synopsis>JSON_QUERY (
18006-
<replaceable class="parameter">json_api_common_syntax</replaceable>
18007-
[ RETURNING <replaceable class="parameter">data_type</replaceable> [ FORMAT JSON [ ENCODING UTF8 ] ]
18008-
[ { WITHOUT | WITH { CONDITIONAL | [UNCONDITIONAL] } } [ ARRAY ] WRAPPER ]
18009-
[ { KEEP | OMIT } QUOTES [ ON SCALAR STRING ] ]
18010-
[ { ERROR | NULL | EMPTY { [ ARRAY ] | OBJECT } | DEFAULT <replaceable class="parameter">expression</replaceable> } ON EMPTY ]
18011-
[ { ERROR | NULL | EMPTY { [ ARRAY ] | OBJECT } | DEFAULT <replaceable class="parameter">expression</replaceable> } ON ERROR ]
18007+
<synopsis>
18008+
<function>JSON_QUERY</function> (
18009+
<replaceable>context_item</replaceable>, <replaceable>path_expression</replaceable> <optional> PASSING { <replaceable>value</replaceable> AS <replaceable>varname</replaceable> } <optional>, ...</optional></optional>
18010+
<optional> RETURNING <replaceable class="parameter">data_type</replaceable> <optional> FORMAT JSON <optional> ENCODING UTF8 </optional> </optional> </optional>
18011+
<optional> { WITHOUT | WITH { CONDITIONAL | <optional>UNCONDITIONAL</optional> } } <optional> ARRAY </optional> WRAPPER </optional>
18012+
<optional> { KEEP | OMIT } QUOTES <optional> ON SCALAR STRING </optional> </optional>
18013+
<optional> { ERROR | NULL | EMPTY { <optional> ARRAY </optional> | OBJECT } | DEFAULT <replaceable class="parameter">expression</replaceable> } ON EMPTY </optional>
18014+
<optional> { ERROR | NULL | EMPTY { <optional> ARRAY </optional> | OBJECT } | DEFAULT <replaceable class="parameter">expression</replaceable> } ON ERROR </optional>
1801218015
)
1801318016
</synopsis>
1801418017
</refsynopsisdiv>
@@ -18032,7 +18035,7 @@ SELECT JSON_VALUE(jsonb '[1,2]', 'strict $[*]' DEFAULT 1 ON ERROR);
1803218035

1803318036
<varlistentry>
1803418037
<term>
18035-
<literal><replaceable class="parameter">json_api_common_syntax</replaceable></literal>
18038+
<literal><replaceable>context_item</replaceable>, <replaceable>path_expression</replaceable> <optional> PASSING { <replaceable>value</replaceable> AS <replaceable>varname</replaceable> } <optional>, ...</optional></optional></literal>
1803618039
</term>
1803718040
<listitem>
1803818041

@@ -18045,7 +18048,7 @@ SELECT JSON_VALUE(jsonb '[1,2]', 'strict $[*]' DEFAULT 1 ON ERROR);
1804518048

1804618049
<varlistentry>
1804718050
<term>
18048-
<literal>RETURNING <replaceable class="parameter">data_type</replaceable> [ FORMAT JSON [ ENCODING UTF8 ] ]</literal>
18051+
<literal>RETURNING <replaceable class="parameter">data_type</replaceable> <optional> FORMAT JSON <optional> ENCODING UTF8 </optional> </optional></literal>
1804918052
</term>
1805018053
<listitem>
1805118054
<para>
@@ -18057,7 +18060,7 @@ SELECT JSON_VALUE(jsonb '[1,2]', 'strict $[*]' DEFAULT 1 ON ERROR);
1805718060

1805818061
<varlistentry>
1805918062
<term>
18060-
<literal>{ WITHOUT | WITH { CONDITIONAL | [UNCONDITIONAL] } } [ ARRAY ] WRAPPER</literal>
18063+
<literal>{ WITHOUT | WITH { CONDITIONAL | <optional>UNCONDITIONAL</optional> } } <optional> ARRAY </optional> WRAPPER</literal>
1806118064
</term>
1806218065
<listitem>
1806318066
<para>
@@ -18076,7 +18079,7 @@ SELECT JSON_VALUE(jsonb '[1,2]', 'strict $[*]' DEFAULT 1 ON ERROR);
1807618079
</listitem>
1807718080
</varlistentry>
1807818081
<varlistentry>
18079-
<term><literal>WITH [UNCONDITIONAL] WRAPPER</literal></term>
18082+
<term><literal>WITH <optional>UNCONDITIONAL</optional> WRAPPER</literal></term>
1808018083
<listitem>
1808118084
<para>
1808218085
Always wrap the result.
@@ -18106,7 +18109,7 @@ SELECT JSON_VALUE(jsonb '[1,2]', 'strict $[*]' DEFAULT 1 ON ERROR);
1810618109

1810718110
<varlistentry>
1810818111
<term>
18109-
<literal>{ KEEP | OMIT } QUOTES [ ON SCALAR STRING ]</literal>
18112+
<literal>{ KEEP | OMIT } QUOTES <optional> ON SCALAR STRING </optional></literal>
1811018113
</term>
1811118114
<listitem>
1811218115
<para>
@@ -18122,12 +18125,12 @@ SELECT JSON_VALUE(jsonb '[1,2]', 'strict $[*]' DEFAULT 1 ON ERROR);
1812218125

1812318126
<varlistentry>
1812418127
<term>
18125-
<literal>{ ERROR | NULL | EMPTY { [ ARRAY ] | OBJECT } | DEFAULT <replaceable class="parameter">expression</replaceable> } ON EMPTY</literal>
18128+
<literal>{ ERROR | NULL | EMPTY { <optional> ARRAY </optional> | OBJECT } | DEFAULT <replaceable class="parameter">expression</replaceable> } ON EMPTY</literal>
1812618129
</term>
1812718130
<listitem>
1812818131
<para>
1812918132
Defines the return value if no JSON value is found. The default is <literal>NULL</literal>.
18130-
If you use <literal>EMPTY [ARRAY]</literal> or <literal>EMPTY OBJECT</literal>,
18133+
If you use <literal>EMPTY <optional>ARRAY</optional></literal> or <literal>EMPTY OBJECT</literal>,
1813118134
an empty JSON array [] or object {} is returned, respectively.
1813218135
If you use <literal>DEFAULT <replaceable class="parameter">expression</replaceable></literal>,
1813318136
the provided <replaceable class="parameter">expression</replaceable> is evaluated and cast
@@ -18141,13 +18144,13 @@ SELECT JSON_VALUE(jsonb '[1,2]', 'strict $[*]' DEFAULT 1 ON ERROR);
1814118144

1814218145
<varlistentry>
1814318146
<term>
18144-
<literal>{ ERROR | NULL | EMPTY { [ ARRAY ] | OBJECT } | DEFAULT <replaceable class="parameter">expression</replaceable> } ON ERROR</literal>
18147+
<literal>{ ERROR | NULL | EMPTY { <optional> ARRAY </optional> | OBJECT } | DEFAULT <replaceable class="parameter">expression</replaceable> } ON ERROR</literal>
1814518148
</term>
1814618149
<listitem>
1814718150
<para>
1814818151
Defines the return value if an unhandled error occurs. The default is <literal>NULL</literal>.
18149-
If you use <literal>EMPTY [ARRAY]</literal> or <literal>EMPTY OBJECT</literal>,
18150-
an empty JSON array [] or object {} are returned, respectively.
18152+
If you use <literal>EMPTY <optional>ARRAY</optional></literal> or <literal>EMPTY OBJECT</literal>,
18153+
an empty JSON array <literal>[]</literal> or object <literal>{}</literal> are returned, respectively.
1815118154
If you use <literal>DEFAULT <replaceable class="parameter">expression</replaceable></literal>,
1815218155
the provided <replaceable class="parameter">expression</replaceable> is evaluated and cast
1815318156
to the type specified in the <command>RETURNING</command> clause.
@@ -18383,7 +18386,7 @@ FROM
1838318386
<varlistentry>
1838418387
<term>
1838518388
<literal><replaceable>context_item</replaceable>, <replaceable>path_expression</replaceable>
18386-
[ PASSING { <replaceable>value</replaceable> AS <replaceable>varname</replaceable> } [, ...]]</literal>
18389+
<optional> PASSING { <replaceable>value</replaceable> AS <replaceable>varname</replaceable> } <optional>, ...</optional></optional></literal>
1838718390
</term>
1838818391
<listitem>
1838918392
<para>
@@ -18412,7 +18415,7 @@ FROM
1841218415
</listitem>
1841318416
</itemizedlist>
1841418417
<para>
18415-
The input clause is common for all SQL/JSON query functions.
18418+
The input clause is common for all SQL/JSON query functions.
1841618419
</para>
1841718420
</listitem>
1841818421
</varlistentry>
@@ -18426,7 +18429,7 @@ FROM
1842618429
<variablelist>
1842718430
<varlistentry>
1842818431
<term>
18429-
<literal>RETURNING <replaceable class="parameter">data_type</replaceable> [ FORMAT JSON [ ENCODING UTF8 ] ]</literal>
18432+
<literal>RETURNING <replaceable class="parameter">data_type</replaceable> <optional> FORMAT JSON <optional> ENCODING UTF8 </optional> </optional></literal>
1843018433
</term>
1843118434
<listitem>
1843218435
<para>

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