*** empty log message ***

1 files changed, 290 insertions, 0 deletions

diff --git a/src/interfaces/ecpg/lib/dynamic.c b/src/interfaces/ecpg/lib/dynamic.c
new file mode 100644
index 00000000000..ec8e927d649
--- /dev/null
+++ b/src/interfaces/ecpg/lib/dynamic.c
@@ -0,0 +1,290 @@
+/* dynamic SQL support routines
+ *
+ * Copyright (c) 2000, Christof Petig <christof.petig@wtal.de>
+ *
+ * $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/dynamic.c,v 1.1 2000/02/16 16:18:12 meskes Exp $
+ */
+
+/* I borrowed the include files from ecpglib.c, maybe we don't need all of them */
+
+#if 0
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <locale.h>
+
+#include <libpq-fe.h>
+#include <libpq/pqcomm.h>
+#include <ecpgtype.h>
+#include <ecpglib.h>
+#include <sqlca.h>
+#endif
+#include <sql3types.h>
+
+static struct descriptor
+{	char *name;
+	PGresult *result;
+	struct descriptor *next;
+} *all_descriptors=NULL;
+
+PGconn *ECPG_internal_get_connection(char *name);
+
+unsigned int ECPGDynamicType(Oid type)
+{	switch(type)
+	{	case 16:	return SQL3_BOOLEAN;	/* bool */
+		case 21:	return SQL3_SMALLINT;	/* int2 */
+		case 23:	return SQL3_INTEGER;	/* int4 */
+		case 25:	return SQL3_CHARACTER;	/* text */
+		case 700:	return SQL3_REAL;		/* float4 */
+		case 701:	return SQL3_DOUBLE_PRECISION;	/* float8 */
+		case 1042:	return SQL3_CHARACTER;	/* bpchar */
+		case 1043:	return SQL3_CHARACTER_VARYING;	/* varchar */
+		case 1082:	return SQL3_DATE_TIME_TIMESTAMP;	/* date */
+		case 1083:	return SQL3_DATE_TIME_TIMESTAMP;	/* time */
+		case 1184:	return SQL3_DATE_TIME_TIMESTAMP;	/* datetime */
+		case 1296:	return SQL3_DATE_TIME_TIMESTAMP;	/* timestamp */
+		case 1700:	return SQL3_NUMERIC;	/* numeric */
+		default:
+			return -type;
+	}
+}
+
+unsigned int ECPGDynamicType_DDT(Oid type)
+{	switch(type)
+	{	
+		case 1082:	return SQL3_DDT_DATE;	/* date */
+		case 1083:	return SQL3_DDT_TIME;	/* time */
+		case 1184:	return SQL3_DDT_TIMESTAMP_WITH_TIME_ZONE;	/* datetime */
+		case 1296:	return SQL3_DDT_TIMESTAMP_WITH_TIME_ZONE;	/* timestamp */
+		default:
+			return SQL3_DDT_ILLEGAL;
+	}
+}
+
+// like ECPGexecute
+static bool execute_descriptor(int lineno,const char *query
+							,struct connection *con,PGresult **resultptr)
+{
+	bool	status = false;
+	PGresult   *results;
+	PGnotify   *notify;
+	
+	/* Now the request is built. */
+
+	if (con->committed && !con->autocommit)
+	{
+		if ((results = PQexec(con->connection, "begin transaction")) == NULL)
+		{
+			register_error(ECPG_TRANS, "Error in transaction processing line %d.", lineno);
+			return false;
+		}
+		PQclear(results);
+		con->committed = false;
+	}
+
+	ECPGlog("execute_descriptor line %d: QUERY: %s on connection %s\n", lineno, query, con->name);
+	results = PQexec(con->connection, query);
+
+	if (results == NULL)
+	{
+		ECPGlog("ECPGexecute line %d: error: %s", lineno,
+				PQerrorMessage(con->connection));
+		register_error(ECPG_PGSQL, "Postgres error: %s line %d.",
+			 PQerrorMessage(con->connection), lineno);
+	}
+	else
+	{	*resultptr=results;
+		switch (PQresultStatus(results))
+		{	int ntuples;
+			case PGRES_TUPLES_OK:
+				status = true;
+				sqlca.sqlerrd[2] = ntuples = PQntuples(results);
+				if (ntuples < 1)
+				{
+					ECPGlog("execute_descriptor line %d: Incorrect number of matches: %d\n",
+							lineno, ntuples);
+					register_error(ECPG_NOT_FOUND, "No data found line %d.", lineno);
+					status = false;
+					break;
+				}
+				break;
+#if 1 /* strictly these are not needed (yet) */
+			case PGRES_EMPTY_QUERY:
+				/* do nothing */
+				register_error(ECPG_EMPTY, "Empty query line %d.", lineno);
+				break;
+			case PGRES_COMMAND_OK:
+				status = true;
+				sqlca.sqlerrd[1] = atol(PQoidStatus(results));
+				sqlca.sqlerrd[2] = atol(PQcmdTuples(results));
+				ECPGlog("ECPGexecute line %d Ok: %s\n", lineno, PQcmdStatus(results));
+				break;
+			case PGRES_COPY_OUT:
+				ECPGlog("ECPGexecute line %d: Got PGRES_COPY_OUT ... tossing.\n", lineno);
+				PQendcopy(con->connection);
+				break;
+			case PGRES_COPY_IN:
+				ECPGlog("ECPGexecute line %d: Got PGRES_COPY_IN ... tossing.\n", lineno);
+				PQendcopy(con->connection);
+				break;
+#else
+			case PGRES_EMPTY_QUERY:
+			case PGRES_COMMAND_OK:
+			case PGRES_COPY_OUT:
+			case PGRES_COPY_IN:
+				break;
+#endif
+			case PGRES_NONFATAL_ERROR:
+			case PGRES_FATAL_ERROR:
+			case PGRES_BAD_RESPONSE:
+				ECPGlog("ECPGexecute line %d: Error: %s",
+						lineno, PQerrorMessage(con->connection));
+				register_error(ECPG_PGSQL, "Postgres error: %s line %d.",
+							   PQerrorMessage(con->connection), lineno);
+				status = false;
+				break;
+			default:
+				ECPGlog("ECPGexecute line %d: Got something else, postgres error.\n",
+						lineno);
+				register_error(ECPG_PGSQL, "Postgres error: %s line %d.",
+							   PQerrorMessage(con->connection), lineno);
+				status = false;
+				break;
+		}
+	}
+
+	/* check for asynchronous returns */
+	notify = PQnotifies(con->connection);
+	if (notify)
+	{
+		ECPGlog("ECPGexecute line %d: ASYNC NOTIFY of '%s' from backend pid '%d' received\n",
+				lineno, notify->relname, notify->be_pid);
+		free(notify);
+	}
+	return status;
+}
+
+/* like ECPGdo */
+static bool do_descriptor2(int lineno,const char *connection_name,
+					PGresult **resultptr, const char *query)
+{
+	struct connection *con = get_connection(connection_name);
+	bool		status=true;
+	char *locale = setlocale(LC_NUMERIC, NULL);
+
+	/* Make sure we do NOT honor the locale for numeric input/output */
+	/* since the database wants teh standard decimal point */
+	setlocale(LC_NUMERIC, "C");
+
+	if (!ecpg_init(con, connection_name, lineno))
+	{	setlocale(LC_NUMERIC, locale);
+		return(false);
+	}
+
+	/* are we connected? */
+	if (con == NULL || con->connection == NULL)
+	{
+		ECPGlog("ECPGdo: not connected to %s\n", con->name);
+		register_error(ECPG_NOT_CONN, "Not connected in line %d.", lineno);
+		setlocale(LC_NUMERIC, locale);
+		return false;
+	}
+
+	status = execute_descriptor(lineno,query,con,resultptr);
+
+	/* and reset locale value so our application is not affected */
+	setlocale(LC_NUMERIC, locale);
+	return (status);
+}
+
+bool ECPGdo_descriptor(int line,const char *connection,
+							const char *descriptor,const char *query)
+{
+	struct descriptor *i;
+	for (i=all_descriptors;i!=NULL;i=i->next)
+	{	if (!strcmp(descriptor,i->name)) 
+	    {	
+			bool status;
+
+			/* free previous result */
+			if (i->result) PQclear(i->result);
+	    	i->result=NULL;
+	    	
+			status=do_descriptor2(line,connection,&i->result,query);
+			
+			if (!i->result) PQmakeEmptyPGresult(NULL, 0);
+			return (status);
+	    }
+	}
+	ECPGraise(line,ECPG_UNKNOWN_DESCRIPTOR);
+	return false;
+}
+							
+PGresult *ECPGresultByDescriptor(int line,const char *name)
+{
+	struct descriptor *i;
+	for (i=all_descriptors;i!=NULL;i=i->next)
+	{	if (!strcmp(name,i->name)) return i->result;
+	}
+	ECPGraise(line,ECPG_UNKNOWN_DESCRIPTOR);
+	return 0;
+} 
+
+
+bool ECPGdeallocate_desc(int line,const char *name)
+{
+	struct descriptor *i;
+	struct descriptor **lastptr=&all_descriptors;
+	for (i=all_descriptors;i;lastptr=&i->next,i=i->next)
+	{	if (!strcmp(name,i->name))
+		{	*lastptr=i->next;
+			free(i->name);
+			PQclear(i->result);
+			free(i);
+			return true;
+		}
+	}
+	ECPGraise(line,ECPG_UNKNOWN_DESCRIPTOR);
+	return false;
+} 
+
+bool ECPGallocate_desc(int line,const char *name)
+{
+	struct descriptor *new=(struct descriptor *)malloc(sizeof(struct descriptor));
+	
+	new->next=all_descriptors;
+	new->name=malloc(strlen(name)+1);
+	new->result=PQmakeEmptyPGresult(NULL, 0);
+	strcpy(new->name,name);
+	all_descriptors=new;
+	return true;
+}
+
+void ECPGraise(int line,int code)
+{	sqlca.sqlcode=code;
+	switch (code)
+	{ 	case ECPG_NOT_FOUND: 
+			snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
+				"No data found line %d.",line);
+			break;
+		case ECPG_MISSING_INDICATOR: 
+			snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
+				"NULL value without indicator, line %d.",line);
+			break;
+		case ECPG_UNKNOWN_DESCRIPTOR: 
+			snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
+				"descriptor not found, line %d.",line);
+			break;
+		case ECPG_INVALID_DESCRIPTOR_INDEX: 
+			snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
+				"descriptor index out of range, line %d.",line);
+			break;
+	    default:
+	    	snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
+				"SQL error #%d, line %d.",code,line);
+			break;
+	}
+}