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Commitbe703cd

Thomas G. Lockhart

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Implement nested block comments in the backend and in psql.

Include updates for the comment.sql regression test.Implement SET SESSION CHARACTERISTICS and SET DefaultXactIsoLevel.Implement SET SESSION CHARACTERISTICS TRANSACTION COMMIT and SET AutoCommit in the parser only. Need to add code to actually do something.Implement WITHOUT TIME ZONE type qualifier.Define SCHEMA keyword, along with stubbed-out grammar.Implement "[IN|INOUT|OUT] [varname] type" function arguments in parser only; INOUT and OUT throws an elog(ERROR).Add PATH as a type-specific token, since PATH is in SQL99 to support schema resource search and resolution.

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10 files changed

+423

-172

lines changed

src
- backend
  - parser
  - utils/misc
    - guc.c
- bin/psql
  - mainloop.c
- include/nodes
  - nodes.h
  - parsenodes.h
- test/regress
  - expected
    - comments.out
  - sql
    - comments.sql

10 files changed

+423

-172

lines changed

`‎src/backend/parser/analyze.c`

Lines changed: 33 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@`
`6`	`6`	`* Portions Copyright (c) 1996-2000, PostgreSQL, Inc`
`7`	`7`	`* Portions Copyright (c) 1994, Regents of the University of California`
`8`	`8`	`*`
`9`		`- *$Id: analyze.c,v 1.149 2000/07/02 04:04:09 tgl Exp $`
	`9`	`+ *$Id: analyze.c,v 1.150 2000/07/14 15:43:32 thomas Exp $`
`10`	`10`	`*`
`11`	`11`	`*-------------------------------------------------------------------------`
`12`	`12`	`*/`
`@@ -200,6 +200,38 @@ transformStmt(ParseState pstate, Node parseTree)`
`200`	`200`	`result=transformAlterTableStmt(pstate, (AlterTableStmt*)parseTree);`
`201`	`201`	`break;`
`202`	`202`
	`203`	`+caseT_SetSessionStmt:`
	`204`	`+{`
	`205`	`+List*l;`
	`206`	`+/* Session is a list of SetVariable nodes`
	`207`	`+ * so just run through the list.`
	`208`	`+ */`
	`209`	`+SetSessionStmtstmt= (SetSessionStmt)parseTree;`
	`210`	`+`
	`211`	`+l=stmt->args;`
	`212`	`+/* First check for duplicate keywords (disallowed by SQL99) */`
	`213`	`+while (l!=NULL)`
	`214`	`+{`
	`215`	`+VariableSetStmtv= (VariableSetStmt)lfirst(l);`
	`216`	`+List*ll=lnext(l);`
	`217`	`+while (ll!=NULL)`
	`218`	`+{`
	`219`	`+VariableSetStmtvv= (VariableSetStmt)lfirst(ll);`
	`220`	`+if (strcmp(v->name,vv->name)==0)`
	`221`	`+elog(ERROR,"SET SESSION CHARACTERISTICS duplicated entry not allowed");`
	`222`	`+ll=lnext(ll);`
	`223`	`+}`
	`224`	`+l=lnext(l);`
	`225`	`+}`
	`226`	`+`
	`227`	`+l=stmt->args;`
	`228`	`+result=transformStmt(pstate,lfirst(l));`
	`229`	`+l=lnext(l);`
	`230`	`+if (l!=NULL)`
	`231`	`+extras_after=lappend(extras_after,lfirst(l));`
	`232`	`+}`
	`233`	`+break;`
	`234`	`+`
`203`	`235`	`/*------------------------`
`204`	`236`	`*Optimizable statements`
`205`	`237`	`*------------------------`

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`‎src/backend/parser/analyze.c`

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