might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined Computes the MD5 hash of the argument, with the result written in hexadecimal. md5('abc') → 900150983cd24fb0d6963f7d28e17f72 parse_ident ( qualified_identifier text [, strict_mode boolean DEFAULT true text Replaces all occurrences in string of substring from with substring to. replace('abcdefabcdef', 'cd', 'XX') → abXXefabXXef reverse ( text ) → text Reverses the order of the characters in the string

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined md5(string) text Calculates the MD5 hash of string, returning the result in hexadecimal md5('abc') 900150983cd24fb0 d6963f7d28e17f72 parse_iden- t(quali- text[] Split quali- fied_identi- parse_iden- t('"SomeSchema" Replace all occur- rences in string of substring from with substring to re- place('abcde- fabcdef', 'cd', 'XX') abXXefabXXef reverse(str) text Return reversed string. re- verse('abcde') edcba right(str

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined hexadecimal. 243 Functions and Operators Function Description Example(s) md5('abc') → 900150983cd24fb0d6963f7d28e17f72 parse_ident ( qualified_identifier text [, strict_mode boolean DEFAULT true text Replaces all occurrences in string of substring from with substring to. replace('abcdefabcdef', 'cd', 'XX') → abXXefabXXef reverse ( text ) → text Reverses the order of the characters in the string

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined md5(string) text Calculates the MD5 hash of string, returning the result in hexadecimal md5('abc') 900150983cd24fb0 d6963f7d28e17f72 parse_iden- t(quali- fied_identi- fier text [, strictmode boolean DE- FAULT Replace all occur- rences in string of substring from with substring to re- place('abcde- fabcdef', 'cd', 'XX') abXXefabXXef reverse(str) text Return reversed string. re- verse('abcde') edcba right(str

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined md5(string) text Calculates the MD5 hash of string, returning the result in hexadecimal md5('abc') 900150983cd24fb0 d6963f7d28e17f72 parse_iden- t(quali- fied_identi- fier text [, strictmode boolean DE- FAULT Replace all occur- rences in string of substring from with substring to re- place('abcde- fabcdef', 'cd', 'XX') abXXefabXXef reverse(str) text Return reversed string. re- verse('abcde') edcba right(str

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined Computes the MD5 hash of the argument, with the result written in hexadecimal. md5('abc') → 900150983cd24fb0d6963f7d28e17f72 parse_ident ( qualified_identifier text [, strict_mode boolean DEFAULT true text Replaces all occurrences in string of substring from with substring to. replace('abcdefabcdef', 'cd', 'XX') → abXXefabXXef reverse ( text ) → text Reverses the order of the characters in the string

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined Computes the MD5 hash of the argument, with the result written in hexadecimal. md5('abc') → 900150983cd24fb0d6963f7d28e17f72 parse_ident ( qualified_identifier text [, strict_mode boolean DEFAULT true text Replaces all occurrences in string of substring from with substring to. replace('abcdefabcdef', 'cd', 'XX') → abXXefabXXef reverse ( text ) → text Reverses the order of the characters in the string

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined Computes the MD5 hash of the argument, with the result written in hexadecimal. md5('abc') → 900150983cd24fb0d6963f7d28e17f72 parse_ident ( qualified_identifier text [, strict_mode boolean DEFAULT true text Replaces all occurrences in string of substring from with substring to. replace('abcdefabcdef', 'cd', 'XX') → abXXefabXXef reverse ( text ) → text Reverses the order of the characters in the string

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined md5(string) text Calculates the MD5 hash of string, returning the result in hexadecimal md5(’abc’) 900150983cd24fb0 d6963f7d28e17f72 pg_client_encoding() name Current client encoding name pg_client_encoding() text Replace all occurrences in string of substring from with substring to replace(’abcdefabcdef’, ’cd’, ’XX’) abXXefabXXef reverse(str) text Return reversed string. reverse(’abcde’)edcba right(str

might not provide those files.) To use those files, first change to that directory and run make: $ cd .../src/tutorial $ make This creates the scripts and compiles the C files containing user-defined md5(string) text Calculates the MD5 hash of string, returning the result in hexadecimal md5(’abc’) 900150983cd24fb0 d6963f7d28e17f72 213 Chapter 9. Functions and Operators Function Return Type Description Example text Replace all occurrences in string of substring from with substring to replace(’abcdefabcdef’, ’cd’, ’XX’) abXXefabXXef reverse(str) text Return reversed string. reverse(’abcde’)edcba right(str