Changes:
- Breaking : Changed AST hierarchy of exp.Table with exp.Alias. Before Tables were children's of their aliases, but in order to simplify the AST and fix some issues, Tables now have an alias property.
Changes:
- Breaking : New add_table method in Schema ABC.
- New: SQLGlot now supports the PySpark dataframe API. This is still relatively experimental.
Changes:
- Improvement: Pretty generator now takes max_text_width which breaks segments into new lines
- New: exp.to_table helper to turn table names into table expression objects
- New: int[] type parsers
- New: annotations are now generated in sql
Changes:
-
Breaking: DISTINCT within functions now take in multiple values eg. COUNT(DISTINCT a, b). exp.Distinct no longer uses
thisand now uses the expressions property -
New: Expression False kwargs are now excluded from equality checks
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New: Parse DESCRIBE and CREATE SCHEMA
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New: DELETE and VALUES builder
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New: Unused CTE and JOINS are now removed in the optimizer
Changes:
-
New: Snowflake table literals
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New: Anti and semi joins
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New: Vacuum as a command
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New: Stored procedures
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New: Reweriting derived tables as CTES
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Improvement: Various clickhouse improvements
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Improvement: Optimizer predicate pushdown
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Breaking: DATE_DIFF default renamed to DATEDIFF
Changes:
-
New: TSQL support
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Breaking: Removed $ from tokenizer, added @ placeholders
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Improvement: Nodes can now be removed in transform and replace 8cd81c3
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Improvement: Snowflake timestamp support
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Improvement: Property conversion for CTAS Builder
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Improvement: Tokenizers are now unique per dialect instance
Changes: