quotes

Author: pyramation

__fixtures__/kitchen-sink/misc/quotes_etc.sql

@@ -1,2 +1,63 @@
 CREATE USER MAPPING FOR local_user SERVER "foreign_server" OPTIONS (user 'remote_user', password 'secret123');
-CREATE USER MAPPING FOR local_user SERVER foreign_server OPTIONS (user 'remote_user', password 'secret123');
+CREATE USER MAPPING FOR local_user SERVER foreign_server OPTIONS (user 'remote_user', password 'secret123');
+
+-- This file contains examples of SQL string literals requiring E-prefixed strings
+
+-- Basic string with newline
+SELECT E'Line 1\nLine 2';
+
+-- Tab character and single quote
+SELECT E'Column\tValue with quote: \'' AS formatted_string';
+
+-- Escaped backslash and carriage return
+SELECT E'Path is C:\\Program Files\\PostgreSQL\r\nDone.';
+
+-- Unicode escapes
+SELECT E'Unicode heart: \u2764' AS unicode_heart;
+SELECT E'Extended Unicode: \U0001F680' AS rocket_emoji;
+
+-- Octal escape
+SELECT E'Bell sound: \007' AS octal_escape;
+
+-- Hex-looking string that is NOT bytea
+-- This needs E because it has \x but also other escapes
+SELECT E'This is not a bytea literal: \\xDEAD and a newline \n';
+
+-- Proper bytea hex string (should NOT need E prefix)
+SELECT '\\xDEADBEEF'::bytea;
+
+-- A_Const-style literal in INSERT
+INSERT INTO messages (content) VALUES (
+  E'Line one.\nLine two with tab:\tEnd.'
+);
+
+-- Another INSERT with a tricky string in a comment
+-- Comment: escaped quote and newline: \n and \'
+INSERT INTO logs (message) VALUES (
+  E'Escaped comment info: \nAuthor said: \'yes\''
+);
+
+-- String that would cause parsing issues without E
+SELECT E'Invalid path: C:\\Users\\Me\\Documents';
+
+-- Control character (form feed)
+SELECT E'Page break here:\fNext page';
+
+-- JSON-like string that *requires* E because of escaped quotes
+INSERT INTO configs (data) VALUES (
+  E'{\"theme\": \"dark\", \"alert\": \"bell\\nchime\"}'
+);
+
+-- Nested comment trick: using E-string inside a comment-containing SQL
+-- This shows a string literal *inside* a SQL statement that also includes a SQL comment
+INSERT INTO docs (note) VALUES (
+  E'This value includes a SQL-style comment -- tricky!\nBut it''s safe here.'
+);
+
+-- Example where normal string is okay (no E needed)
+SELECT E'Just a plain string, nothing to escape.';
+SELECT 'Just a plain string, nothing to escape.';
+
+-- Just to make sure we're parsing string types correctly
+-- sval.String.str with embedded backslashes and quotes
+SELECT E'This string has \"quotes\" and \\slashes\\' AS tricky_string;