Add TEMP tables/indexes. Add COPY pfree(). Other cleanups.

Author: bmomjian

doc/src/sgml/ref/copy.sgml

@@ -248,7 +248,7 @@ Specifies that output goes to a pipe or terminal.
    </para>
    <para>
     The backslash character has other special meanings.  NULL attributes are
-    output as "\N".  A literal backslash character is output as two
+    represented as "\N".  A literal backslash character is represented as two
     consecutive backslashes ("\\").  A literal tab character is represented
     as a backslash and a tab.  A literal newline character is
     represented as a backslash and a newline.  When loading text data

doc/src/sgml/ref/create_table.sgml

@@ -18,7 +18,7 @@
    <DATE>1998-09-11</DATE>
   </REFSYNOPSISDIVINFO>
   <SYNOPSIS>
-CREATE TABLE <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE> (
+CREATE [TEMP] TABLE <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE> (
     <REPLACEABLE CLASS="PARAMETER">column</REPLACEABLE> <REPLACEABLE CLASS="PARAMETER">type</REPLACEABLE>
     [ NULL | NOT NULL ] [ UNIQUE ] [ DEFAULT <REPLACEABLE CLASS="PARAMETER">value</REPLACEABLE> ]
     [<REPLACEABLE>column_constraint_clause</REPLACEABLE> | PRIMARY KEY } [ ... ] ]
@@ -38,6 +38,18 @@ CREATE TABLE <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE> (
    </TITLE>
    <PARA>
 
+    <VARLISTENTRY>
+     <TERM>
+     TEMP
+     </TERM>
+     <LISTITEM>
+      <PARA>
+	The table is created unique to this session, and is
+	automatically dropped on session exit.
+      </PARA>
+     </LISTITEM>
+    </VARLISTENTRY>
+
    <VARIABLELIST>
     <VARLISTENTRY>
      <TERM>

doc/src/sgml/ref/select.sgml

@@ -19,7 +19,7 @@ SELECT
   <synopsis>
 SELECT [ALL|DISTINCT [ON <replaceable class="PARAMETER">column</replaceable>] ]
     <replaceable class="PARAMETER">expression</replaceable> [ AS <replaceable class="PARAMETER">name</replaceable> ] [, ...]
-    [ INTO [TABLE] <replaceable class="PARAMETER">new_table</replaceable> ]
+    [ INTO [TEMP] [TABLE] <replaceable class="PARAMETER">new_table</replaceable> ]
     [ FROM <replaceable class="PARAMETER">table</replaceable> [<replaceable class="PARAMETER">alias</replaceable> ] [, ...] ]
     [ WHERE <replaceable class="PARAMETER">condition</replaceable> ]
     [ GROUP BY <replaceable class="PARAMETER">column</replaceable> [, ...] ]
@@ -64,6 +64,18 @@ SELECT [ALL|DISTINCT [ON <replaceable class="PARAMETER">column</replaceable>] ]
       </listitem>
      </varlistentry>
 
+    <VARLISTENTRY>
+     <TERM>
+     TEMP
+     </TERM>
+     <LISTITEM>
+      <PARA>
+	The table is created unique to this session, and is
+	automatically dropped on session exit.
+      </PARA>
+     </LISTITEM>
+    </VARLISTENTRY>
+
      <varlistentry>
       <term>
        <replaceable class="PARAMETER">new_table</replaceable>
@@ -599,7 +611,7 @@ Create a new table from an existing table or view
   </refsynopsisdivinfo>
   <synopsis>
 SELECT [ ALL | DISTINCT ] <replaceable class="PARAMETER">expression</replaceable> [ AS <replaceable class="PARAMETER">name</replaceable> ] [, ...]
-    INTO [ TABLE ] <replaceable class="PARAMETER">new_table</replaceable> ]
+    INTO [TEMP] [ TABLE ] <replaceable class="PARAMETER">new_table</replaceable> ]
     [ FROM <replaceable class="PARAMETER">table</replaceable> [<replaceable class="PARAMETER">alias</replaceable>] [, ...] ]
     [ WHERE <replaceable class="PARAMETER">condition</replaceable> ]
     [ GROUP BY <replaceable class="PARAMETER">column</replaceable> [, ...] ]

doc/src/sgml/ref/set.sgml

@@ -363,7 +363,7 @@ SET TIME ZONE { '<REPLACEABLE CLASS="PARAMETER">timezone</REPLACEABLE>' | LOCAL
 				  <listitem>
 					<para>
 					  enables the genetic optimizer algorithm
-					  for statements with 8 or more tables.
+					  for statements with 6 or more tables.
 					</para>
 				  </listitem>
 				</varlistentry>
@@ -406,7 +406,7 @@ SET TIME ZONE { '<REPLACEABLE CLASS="PARAMETER">timezone</REPLACEABLE>' | LOCAL
 	  </para>
 	  <para>
 		This algorithm is on by default, which used GEQO for
-		statements of eight or more tables. 
+		statements of six or more tables.
 		(See the chapter on GEQO in the Programmer's Guide
 		for more information).
 	  </para>

src/Makefile.global.in

@@ -7,31 +7,31 @@
 #
 #
 # IDENTIFICATION
-#    $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.54 1998/11/29 05:30:14 tgl Exp $
+#    $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.55 1999/02/02 03:43:56 momjian Exp $
 #
 # NOTES
-#    Essentially all Postgres make files include this file and use the 
-#    variables it sets.  
+#    Essentially all Postgres make files include this file and use the
+#    variables it sets.
 #
 #    To override the default setting, create a Makefile.custom in this
 #    directory and put your defines there. (Makefile.custom is included
 #    near the end of this file).  Sometimes, a variable gets set in
 #    Makefile.global after Makefile.custom has been included, so you can't
 #    simply set that variable in Makefile.custom.  In those cases, there is
-#    often another variable (like CUSTOM_COPT) that you can set in 
+#    often another variable (like CUSTOM_COPT) that you can set in
 #    Makefile.custom that influences the later setting of the true variable
 #    of interest (like CFLAGS) by Makefile.global.
 #
 #
-#    If you change any of these defines you probably have to 
+#    If you change any of these defines you probably have to
 #       make clean; make
-#    since no dependencies are created for these. (of course you can 
+#    since no dependencies are created for these. (of course you can
 #    be crafty and check what files really depend on them and just remake
 #    those).
-#        
-#    Before including this file, you must set the SRCDIR variable to the 
-#    path of the top of the Postgres source tree (the directory that 
-#    contains this file).  
+#
+#    Before including this file, you must set the SRCDIR variable to the
+#    path of the top of the Postgres source tree (the directory that
+#    contains this file).
 #
 #-------------------------------------------------------------------------
 
@@ -40,8 +40,8 @@
 #
 # CONFIGURATION SECTION
 #
-# Following are settings pertaining to the postgres build and 
-# installation.  
+# Following are settings pertaining to the postgres build and
+# installation.
 # of the port.
 #
 # Ignore BSD_SHLIB if you're not using one of the BSD ports.  But if you
@@ -55,8 +55,8 @@ ELF_SYSTEM= @ELF_SYS@
 
 LIBPQDIR:= $(SRCDIR)/interfaces/libpq
 
-# For convenience, POSTGRESDIR is where BINDIR, and LIBDIR 
-# and other target destinations are rooted.  Of course, each of these is 
+# For convenience, POSTGRESDIR is where BINDIR, and LIBDIR
+# and other target destinations are rooted.  Of course, each of these is
 # changable separately.
 POSTGRESDIR= @prefix@
 
@@ -73,7 +73,7 @@ LIBDIR= $(POSTGRESDIR)/lib
 # This is the directory where IPC utilities ipcs and ipcrm are located
 #
 IPCS=@ipcs@
-IPCRM=@ipcrm@ 
+IPCRM=@ipcrm@
 
 # Where the man pages (suitable for use with "man") get installed.
 POSTMANDIR= $(POSTGRESDIR)/man
@@ -91,7 +91,7 @@ ODBCINST= $(POSTGRESDIR)
 
 ##############################################################################
 #
-# FEATURES 
+# FEATURES
 #
 # To disable a feature, comment out the entire definition
 # (that is, prepend '#', don't set it to "0" or "no").
@@ -167,7 +167,7 @@ endif
 
 ##############################################################################
 #
-# Installation. 
+# Installation.
 #
 # For many ports, INSTALL is overridden below.
 INSTALL= @INSTALL@
@@ -181,7 +181,7 @@ INSTL_SHLIB_OPTS= @INSTL_SHLIB_OPTS@
 ##############################################################################
 #
 # For building shell scripts:
-# 
+#
 # For many ports, these are overridden below.
 
 # DASH_N is what we put before the text on an echo command when we don't
@@ -191,7 +191,7 @@ INSTL_SHLIB_OPTS= @INSTL_SHLIB_OPTS@
 # you do echo "no newline after this\c".
 
 DASH_N= @DASH_N@
-BACKSLASH_C= @BACKSLASH_C@ 
+BACKSLASH_C= @BACKSLASH_C@
 
 
 
@@ -204,7 +204,7 @@ YFLAGS= @YFLAGS@
 YACC= @YACC@
 LEX= @LEX@
 AROPT= @AROPT@
-CFLAGS= -I$(SRCDIR)/include -I$(SRCDIR)/backend @CPPFLAGS@ @CFLAGS@ 
+CFLAGS= -I$(SRCDIR)/include -I$(SRCDIR)/backend @CPPFLAGS@ @CFLAGS@
 CFLAGS_SL= @SHARED_LIB@
 LDFLAGS= @LDFLAGS@ @LIBS@
 DLSUFFIX= @DLSUFFIX@
@@ -245,25 +245,25 @@ INSTALL= $(CUSTOM_INSTALL)
 endif
 
 #
-# Flags for CC and LD. 
+# Flags for CC and LD.
 
 ##############################################################################
 # COPT
 #
-# COPT is for options that the sophisticated builder might want to vary 
+# COPT is for options that the sophisticated builder might want to vary
 # from one build to the next, like options to build Postgres with debugging
-# information included.  COPT is meant to be set on the make command line, 
+# information included.  COPT is meant to be set on the make command line,
 # for example with the command "make COPT=-g".  The value you see set here
 # is the default that gets used if the builder does not give a value for
 # COPT on his make command.
 #
-# There is a nonobvious relationship between -O (optimization) and 
+# There is a nonobvious relationship between -O (optimization) and
 # -Werror (consider all warnings fatal).  On some systems, if you don't
 # optimize, you will always get some warnings because the system header
 # files will include some unreferenced functions in the code.  These are
 # functions that are supposed to be inline, so there wouldn't ordinarily
 # be an "unreferenced" problem, but if you don't enable optimization, no
-# inlining can happen, and hence the problem.  Therefore, we include 
+# inlining can happen, and hence the problem.  Therefore, we include
 # if you override -O, you override -Werror as well.
 #
 # CUSTOM_COPT is something the user may set in Makefile.custom

src/backend/access/heap/hio.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Id: hio.c,v 1.15 1998/12/15 12:45:14 vadim Exp $
+ *	  $Id: hio.c,v 1.16 1999/02/02 03:43:57 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -110,7 +110,7 @@ RelationPutHeapTupleAtEnd(Relation relation, HeapTuple tuple)
 	ItemId		itemId;
 	Item		item;
 
-	if (!relation->rd_islocal)
+	if (!relation->rd_myxactonly)
 		LockRelation(relation, ExtendLock);
 
 	/*
@@ -158,7 +158,7 @@ RelationPutHeapTupleAtEnd(Relation relation, HeapTuple tuple)
 			elog(ERROR, "Tuple is too big: size %d", len);
 	}
 
-	if (!relation->rd_islocal)
+	if (!relation->rd_myxactonly)
 		UnlockRelation(relation, ExtendLock);
 
 	offnum = PageAddItem((Page) pageHeader, (Item) tuple->t_data,

src/backend/access/transam/xact.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.29 1999/01/29 09:22:53 vadim Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.30 1999/02/02 03:44:00 momjian Exp $
  *
  * NOTES
  *		Transaction aborts can now occur two ways:
@@ -850,7 +850,7 @@ StartTransaction()
 	   are created in the course of the transactions
 	   they need to be destroyed properly at the end of the transactions
 	 */
-	InitTempRelList();
+	InitNoNameRelList();
 
 	/* ----------------
 	 *	done with start processing, set current transaction
@@ -917,7 +917,7 @@ CommitTransaction()
 	AtCommit_Notify();
 
 	CloseSequences();
-	DestroyTempRels();
+	DestroyNoNameRels();
 	AtEOXact_portals();
 	RecordTransactionCommit();
 	RelationPurgeLocalRelation(true);
@@ -984,7 +984,7 @@ AbortTransaction()
 	AtEOXact_portals();
 	RecordTransactionAbort();
 	RelationPurgeLocalRelation(false);
-	DestroyTempRels();
+	DestroyNoNameRels();
 	AtAbort_Cache();
 	AtAbort_Locks();
 	AtAbort_Memory();

src/backend/bootstrap/bootparse.y

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/bootstrap/bootparse.y,v 1.22 1999/01/21 22:48:04 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/bootstrap/bootparse.y,v 1.23 1999/02/02 03:44:03 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -164,7 +164,8 @@ Boot_CreateStmt:
 						if (DebugMode)
 							puts("creating bootstrap relation");
 						tupdesc = CreateTupleDesc(numattr,attrtypes);
-						reldesc = heap_create(LexIDStr($3), tupdesc);
+						reldesc = heap_create(LexIDStr($3), tupdesc,
+											  false, false);
 						if (DebugMode)
 							puts("bootstrap relation created ok");
 					}
@@ -175,7 +176,7 @@ Boot_CreateStmt:
 
 						tupdesc = CreateTupleDesc(numattr,attrtypes);
 						id = heap_create_with_catalog(LexIDStr($3),
-												tupdesc, RELKIND_RELATION);
+											tupdesc, RELKIND_RELATION, false);
 						if (!Quiet)
 							printf("CREATED relation %s with OID %d\n",
 								   LexIDStr($3), id);