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74 lines
2.7 KiB
Markdown
74 lines
2.7 KiB
Markdown
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# XML
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XML format is suitable only for output, not for parsing. Example:
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```xml
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<?xml version='1.0' encoding='UTF-8' ?>
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<result>
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<meta>
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<columns>
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<column>
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<name>SearchPhrase</name>
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<type>String</type>
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</column>
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<column>
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<name>count()</name>
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<type>UInt64</type>
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</column>
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</columns>
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</meta>
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<data>
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<row>
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<SearchPhrase></SearchPhrase>
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<field>8267016</field>
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</row>
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<row>
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<SearchPhrase>bathroom interior design</SearchPhrase>
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<field>2166</field>
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</row>
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<row>
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<SearchPhrase>yandex</SearchPhrase>
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<field>1655</field>
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</row>
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<row>
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<SearchPhrase>spring 2014 fashion</SearchPhrase>
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<field>1549</field>
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</row>
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<row>
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<SearchPhrase>freeform photos</SearchPhrase>
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<field>1480</field>
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</row>
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<row>
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<SearchPhrase>angelina jolie</SearchPhrase>
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<field>1245</field>
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</row>
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<row>
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<SearchPhrase>omsk</SearchPhrase>
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<field>1112</field>
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</row>
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<row>
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<SearchPhrase>photos of dog breeds</SearchPhrase>
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<field>1091</field>
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</row>
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<row>
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<SearchPhrase>curtain design</SearchPhrase>
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<field>1064</field>
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</row>
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<row>
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<SearchPhrase>baku</SearchPhrase>
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<field>1000</field>
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</row>
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</data>
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<rows>10</rows>
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<rows_before_limit_at_least>141137</rows_before_limit_at_least>
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</result>
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```
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If the column name does not have an acceptable format, just 'field' is used as the element name. In general, the XML structure follows the JSON structure.
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Just as for JSON, invalid UTF-8 sequences are changed to the replacement character <20> so the output text will consist of valid UTF-8 sequences.
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In string values, the characters `<` and `&` are escaped as `<` and `&`.
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Arrays are output as `<array><elem>Hello</elem><elem>World</elem>...</array>`,and tuples as `<tuple><elem>Hello</elem><elem>World</elem>...</tuple>`.
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