add support for column constraints in create table
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Jake Wheat
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5 changed files with 303 additions and 16 deletions
tools/Language/SQL/SimpleSQL
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@ -1,16 +1,28 @@
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This file goes through the grammar for SQL 2011 (using the draft standard).
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This file goes through the grammar for SQL 2011 queries (using the
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draft standard).
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We are only looking at the query syntax, and no other parts.
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There are other files which cover some of the other sections from SQL
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2011 (ddl, non-query dml, etc).
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Possible sections not in the todo which could
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be covered:
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There are other files which cover some of the other sections.
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Possible sections not covered yet:
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13 modules
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16 control statements
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18 connection management
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20 dynamic
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22 direct
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23 diagnostics
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procedural sql
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some of the main areas being left for now:
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temporal and versioning stuff
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modules
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ref stuff
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todo: finish this list
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The goal is to create some example tests for each bit of grammar, with
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@ -92,8 +92,8 @@ schema name can be quoted iden or unicode quoted iden
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> ,(TestStatement SQL2011 "create table t (a int, b int);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> ,ColumnDef (Name "b") (TypeName [Name "int"]) Nothing])
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing []
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> ,ColumnDef (Name "b") (TypeName [Name "int"]) Nothing []])
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<table contents source> ::=
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@ -296,6 +296,154 @@ defintely skip
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| <references specification>
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| <check constraint definition>
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can have more than one
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whitespace separated
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one constratint:
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optional name: constraint [Name]
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not null | unique | references | check
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todo: constraint characteristics
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> ,(TestStatement SQL2011
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> "create table t (a int not null);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing NotNullConstraint]])
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> ,(TestStatement SQL2011
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> "create table t (a int constraint a_not_null not null);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef (Just [Name "a_not_null"]) NotNullConstraint]])
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> ,(TestStatement SQL2011
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> "create table t (a int unique);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing UniqueConstraint]])
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> ,(TestStatement SQL2011
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> "create table t (a int primary key);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing PrimaryKeyConstraint]])
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references t(a,b)
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[ Full |partial| simepl]
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[perm: on update [cascade | set null | set default | restrict | no action]
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on delete ""
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> ,(TestStatement SQL2011
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> "create table t (a int references u);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing DefaultReferenceMatch
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> DefaultReferentialAction DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u(a));"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] (Just $ Name "a") DefaultReferenceMatch
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> DefaultReferentialAction DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u match full);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing MatchFull
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> DefaultReferentialAction DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u match partial);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing MatchPartial
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> DefaultReferentialAction DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u match simple);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing MatchSimple
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> DefaultReferentialAction DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u on update cascade );"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing DefaultReferenceMatch
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> RefCascade DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u on update set null );"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing DefaultReferenceMatch
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> RefSetNull DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u on update set default );"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing DefaultReferenceMatch
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> RefSetDefault DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u on update no action );"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing DefaultReferenceMatch
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> RefNoAction DefaultReferentialAction]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u on delete cascade );"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing DefaultReferenceMatch
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> DefaultReferentialAction RefCascade]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u on update cascade on delete restrict );"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing DefaultReferenceMatch
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> RefCascade RefRestrict]])
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> ,(TestStatement SQL2011
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> "create table t (a int references u on delete restrict on update cascade );"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing $ ReferencesConstraint
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> [Name "u"] Nothing DefaultReferenceMatch
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> RefCascade RefRestrict]])
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> ,(TestStatement SQL2011
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> "create table t (a int check (a>5));"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ConstraintDef Nothing
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> (CheckConstraint $ BinOp (Iden [Name "a"]) [Name ">"] (NumLit "5"))]])
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check (valueexpr)
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<identity column specification> ::=
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GENERATED { ALWAYS | BY DEFAULT } AS IDENTITY
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[ <left paren> <common sequence generator options> <right paren> ]
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@ -303,17 +451,17 @@ defintely skip
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> ,(TestStatement SQL2011 "create table t (a int generated as identity);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"])
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> (Just $ IdentityColumnSpec GeneratedDefault [])])
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> (Just $ IdentityColumnSpec GeneratedDefault []) []])
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> ,(TestStatement SQL2011 "create table t (a int generated always as identity);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"])
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> (Just $ IdentityColumnSpec GeneratedAlways [])])
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> (Just $ IdentityColumnSpec GeneratedAlways []) []])
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> ,(TestStatement SQL2011 "create table t (a int generated by default as identity);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"])
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> (Just $ IdentityColumnSpec GeneratedByDefault [])])
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> (Just $ IdentityColumnSpec GeneratedByDefault []) []])
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> ,(TestStatement SQL2011
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@ -326,7 +474,7 @@ defintely skip
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> ,SGOIncrementBy 5
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> ,SGOMaxValue 500
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> ,SGOMinValue 5
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> ,SGOCycle])])
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> ,SGOCycle]) []])
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> ,(TestStatement SQL2011
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> "create table t (a int generated as identity\
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@ -337,7 +485,7 @@ defintely skip
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> [SGOStartWith (-4)
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> ,SGONoMaxValue
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> ,SGONoMinValue
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> ,SGONoCycle])])
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> ,SGONoCycle]) []])
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I think <common sequence generator options> is supposed to just
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whitespace separated. In db2 it seems to be csv, but the grammar here
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@ -360,10 +508,10 @@ generated always (valueexpr)
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> "create table t (a int, \
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> \ a2 int generated always as (a * 2));"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing
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> [ColumnDef (Name "a") (TypeName [Name "int"]) Nothing []
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> ,ColumnDef (Name "a2") (TypeName [Name "int"])
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> (Just $ GenerationClause
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> (BinOp (Iden [Name "a"]) [Name "*"] (NumLit "2")))])
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> (BinOp (Iden [Name "a"]) [Name "*"] (NumLit "2"))) []])
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@ -389,7 +537,7 @@ generated always (valueexpr)
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> ,(TestStatement SQL2011 "create table t (a int default 0);"
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> $ CreateTable [Name "t"]
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> [ColumnDef (Name "a") (TypeName [Name "int"])
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> (Just $ DefaultClause $ NumLit "0")])
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> (Just $ DefaultClause $ NumLit "0") []])
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