19 lines
298 B
Standard ML
19 lines
298 B
Standard ML
type query = Query of select_stmt
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and select_stmt =
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| Select of column list * table list
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and column =
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| Asterisk
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| Column of string
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and table =
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| Table of string
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| Join of table * join_type * table
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and join_type =
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| Inner
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| Left
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| Right
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| Full
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| Cross
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| Union
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| Natural
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