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f47a7320d1
The Expression LIKE binary operator does not care about escape % and _ char. No-one has already open an issue about it but in the OGC element PropertyIsLike the user can defined is own wild and single char. This mean that QGIS has to escape % and _ if they are not used as wild and single char.
22 lines
930 B
Plaintext
22 lines
930 B
Plaintext
{
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"name": "LIKE",
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"type": "operator",
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"description": "Returns 1 if the first parameter matches the supplied pattern. Works with numbers also.",
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"arguments": [
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{"arg":"string/number","description":"value"},
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{"arg":"pattern","description":"pattern to compare value with, you can use '%' as a wildcard, '_' as a single char and '\\\\' to escape."}
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],
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"examples": [
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{ "expression":"'A' LIKE 'A'", "returns":"1"},
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{ "expression":"'A' LIKE 'a'", "returns":"0"},
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{ "expression":"'A' LIKE 'B'", "returns":"0"},
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{ "expression":"'ABC' LIKE 'B'", "returns":"0"},
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{ "expression":"'ABC' LIKE '_B_'", "returns":"1"},
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{ "expression":"'ABCD' LIKE '_B_'", "returns":"0"},
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{ "expression":"'ABCD' LIKE '_B%'", "returns":"1"},
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{ "expression":"'ABCD' LIKE '%B%'", "returns":"1"},
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{ "expression":"'1%' LIKE '1\\\\%'", "returns":"1"},
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{ "expression":"'1_' LIKE '1\\\\%'", "returns":"0"}
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]
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}
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