Adjust PL regression tests for escape_string_warning.

src/pl/plpython/expected/plpython_function.out

@@ -259,13 +259,13 @@ return seq
 -- Universal Newline Support
 -- 
 CREATE OR REPLACE FUNCTION newline_lf() RETURNS integer AS
-'x = 100\ny = 23\nreturn x + y\n'
+E'x = 100\ny = 23\nreturn x + y\n'
 LANGUAGE plpythonu;
 CREATE OR REPLACE FUNCTION newline_cr() RETURNS integer AS
-'x = 100\ry = 23\rreturn x + y\r'
+E'x = 100\ry = 23\rreturn x + y\r'
 LANGUAGE plpythonu;
 CREATE OR REPLACE FUNCTION newline_crlf() RETURNS integer AS
-'x = 100\r\ny = 23\r\nreturn x + y\r\n'
+E'x = 100\r\ny = 23\r\nreturn x + y\r\n'
 LANGUAGE plpythonu;
 --
 -- Unicode error handling

src/pl/plpython/sql/plpython_function.sql

@@ -303,15 +303,15 @@ return seq
 -- 
 
 CREATE OR REPLACE FUNCTION newline_lf() RETURNS integer AS
-'x = 100\ny = 23\nreturn x + y\n'
+E'x = 100\ny = 23\nreturn x + y\n'
 LANGUAGE plpythonu;
 
 CREATE OR REPLACE FUNCTION newline_cr() RETURNS integer AS
-'x = 100\ry = 23\rreturn x + y\r'
+E'x = 100\ry = 23\rreturn x + y\r'
 LANGUAGE plpythonu;
 
 CREATE OR REPLACE FUNCTION newline_crlf() RETURNS integer AS
-'x = 100\r\ny = 23\r\nreturn x + y\r\n'
+E'x = 100\r\ny = 23\r\nreturn x + y\r\n'
 LANGUAGE plpythonu;
 
 --

src/pl/tcl/expected/pltcl_setup.out

@@ -38,7 +38,7 @@ create table T_dta2 (
 --
 -- Function to check key existance in T_pkey1
 --
-create function check_pkey1_exists(int4, bpchar) returns bool as '
+create function check_pkey1_exists(int4, bpchar) returns bool as E'
     if {![info exists GD]} {
         set GD(plan) [spi_prepare				\\
 	    "select 1 from T_pkey1				\\
@@ -146,7 +146,7 @@ create trigger pkey1_before before insert or update or delete on T_pkey1
 -- Trigger function to check for duplicate keys in T_pkey2
 -- and to force key2 to be upper case only without leading whitespaces
 --
-create function trig_pkey2_before() returns trigger as '
+create function trig_pkey2_before() returns trigger as E'
     #
     # Prepare plan on first call
     #
@@ -185,7 +185,7 @@ create trigger pkey2_before before insert or update on T_pkey2
 -- in T_pkey2 are done so the trigger for primkey check on T_dta2
 -- fired on our updates will see the new key values in T_pkey2.
 --
-create function trig_pkey2_after() returns trigger as '
+create function trig_pkey2_after() returns trigger as E'
     #
     # Prepare plans on first call
     #
@@ -268,7 +268,7 @@ create trigger pkey2_after after update or delete on T_pkey2
 --
 -- Generic trigger function to check references in T_dta1 and T_dta2
 --
-create function check_primkey() returns trigger as '
+create function check_primkey() returns trigger as E'
     #
     # For every trigger/relation pair we create
     # a saved plan and hold them in GD

src/pl/tcl/sql/pltcl_setup.sql

@@ -44,7 +44,7 @@ create table T_dta2 (
 --
 -- Function to check key existance in T_pkey1
 --
-create function check_pkey1_exists(int4, bpchar) returns bool as '
+create function check_pkey1_exists(int4, bpchar) returns bool as E'
     if {![info exists GD]} {
         set GD(plan) [spi_prepare				\\
 	    "select 1 from T_pkey1				\\
@@ -64,7 +64,7 @@ create function check_pkey1_exists(int4, bpchar) returns bool as '
 --
 -- Trigger function on every change to T_pkey1
 --
-create function trig_pkey1_before() returns trigger as '
+create function trig_pkey1_before() returns trigger as E'
     #
     # Create prepared plans on the first call
     #
@@ -158,7 +158,7 @@ create trigger pkey1_before before insert or update or delete on T_pkey1
 -- Trigger function to check for duplicate keys in T_pkey2
 -- and to force key2 to be upper case only without leading whitespaces
 --
-create function trig_pkey2_before() returns trigger as '
+create function trig_pkey2_before() returns trigger as E'
     #
     # Prepare plan on first call
     #
@@ -201,7 +201,7 @@ create trigger pkey2_before before insert or update on T_pkey2
 -- in T_pkey2 are done so the trigger for primkey check on T_dta2
 -- fired on our updates will see the new key values in T_pkey2.
 --
-create function trig_pkey2_after() returns trigger as '
+create function trig_pkey2_after() returns trigger as E'
     #
     # Prepare plans on first call
     #
@@ -288,7 +288,7 @@ create trigger pkey2_after after update or delete on T_pkey2
 --
 -- Generic trigger function to check references in T_dta1 and T_dta2
 --
-create function check_primkey() returns trigger as '
+create function check_primkey() returns trigger as E'
     #
     # For every trigger/relation pair we create
     # a saved plan and hold them in GD