Add support for IS [NOT] [form] NORMALIZED
#1655
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alamb
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Thank you @alexander-beedie -- I think this looks quite nice and well tested
fyi @iffyio
| /// so you can call slice methods on it and iterate over items | ||
| /// # Examples | ||
| /// Acessing as a slice: | ||
| /// Accessing as a slice: |
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Thank you for these cleanups
iffyio
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…o escape-literals * 'main' of github.com:hansott/datafusion-sqlparser-rs: National strings: check if dialect supports backslash escape (apache#1672) Add support for Create Iceberg Table statement for Snowflake parser (apache#1664) Add support for Snowflake account privileges (apache#1666) Update rat_exclude_file.txt (apache#1670) Update verson to 0.54.0 and update changelog (apache#1668) Add support for Snowflake AT/BEFORE (apache#1667) Add support for qualified column names in JOIN ... USING (apache#1663) Add support for `IS [NOT] [form] NORMALIZED` (apache#1655) fix parsing of `INSERT INTO ... SELECT ... RETURNING ` (apache#1661) Add support for Snowflake column aliases that use SQL keywords (apache#1632)
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Co-authored-by: Alexander Beedie <[email protected]>
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Co-authored-by: Alexander Beedie <[email protected]>
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This reverts commit 2741fd0.
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Co-authored-by: Alexander Beedie <[email protected]>
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Adds parsing support for
IS [NOT] [<form>] NORMALIZED → boolsyntax:Details from the PostgreSQL string function docs:
https://www.postgresql.org/docs/current/functions-string.html
NFC: Canonical Decomposition, followed by Canonical Composition.NFD: Canonical Decomposition.NFKC: Compatibility Decomposition, followed by Canonical Composition.NFKD: Compatibility Decomposition.As the normalised forms are fixed (there are only these four), it seemed reasonable to return the parsed form as a new
Option<NormalizationForm>Enum (which helps the caller as they don't have to check the string or case-normalise it, and can then jump straight into some associated match block, etc).(Also: fixed a few minor typos).
Examples
Default/omitted
form:Specific
form: