14 lines
360 B
Markdown
14 lines
360 B
Markdown
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% This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.
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**Parameters**
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`string`
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: String expression. If `null`, the function returns `null`.
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`start`
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: Start position.
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`length`
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: Length of the substring from the start position. Optional; if omitted, all positions after `start` are returned.
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