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By default, those expression use the application's locale. The addition of an optional language parameter allows handling of dates that wouldn't match that default locale (say for e.g. an English system running QGIS trying to transform a French-formatted string into a date object).
16 lines
1011 B
Plaintext
16 lines
1011 B
Plaintext
{
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"name": "to_datetime",
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"type": "function",
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"description": "Converts a string into a datetime object. An optional format string can be provided to parse the string; see <a href='https://doc.qt.io/qt-5/qdatetime.html#fromString-1'>QDateTime::fromString</a> for additional documentation on the format.",
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"arguments": [
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{"arg":"string","description":"string representing a datetime value"},
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{"arg":"format","optional":true,"description":"format used to convert the string into a datetime"},
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{"arg":"language","optional":true,"description":"language (lowercase, two- or three-letter, ISO 639 language code) used to convert the string into a datetime"}
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],
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"examples": [
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{ "expression":"to_datetime('2012-05-04 12:50:00')", "returns":"2012-05-04T12:50:00"},
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{ "expression":"to_datetime('June 29, 2019 @ 12:34','MMMM d, yyyy @ HH:mm')", "returns":"2019-06-29T12:34"},
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{ "expression":"to_datetime('29 juin, 2019 @ 12:34','d MMMM, yyyy @ HH:mm','fr')", "returns":"2019-06-29T12:34"}
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]
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}
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