dt_utility.sql_in File Reference

Utility functions widely used in C4.5 and random forest. More...

Functions
text	__regclass_to_text (regclass rc)
text	__format (text fmt, text[] args)
text	__format (text fmt, text arg1, text arg2, text arg3, text arg4)
text	__format (text fmt, text arg1, text arg2, text arg3)
text	__format (text fmt, text arg1, text arg2)
text	__format (text fmt, text arg1)
void	__assert (boolean condition, text reason)
boolean	__table_exists (text full_table_name)
boolean	__column_exists (text full_table_name, text column_name)
void	__assert_table (text full_table_name, boolean existence)
text	__strip_schema_name (text full_table_name)
text	__get_schema_name (text full_table_name)
text	__get_table_name (text full_table_name)
void	__rename_table (text from_table, text to_table)
boolean	__array_search (anyelement find, anyarray arr)
boolean	__columns_in_table (text[] column_names, text table_name)
int	__num_of_columns (text table_name)
text[]	__csvstr_to_array (text csv_str)
boolean[]	__array_elem_in (anyarray src_arr, anyarray tst_arr)
anyarray	__array_sort (anyarray arr)

Detailed Description

Date

April 5, 2012

Function Documentation

boolean [] __array_elem_in	(	anyarray	src_arr,
		anyarray	tst_arr
	)

boolean __array_search	(	anyelement	find,
		anyarray	arr
	)

anyarray __array_sort

(

anyarray

arr

)

void __assert	(	boolean	condition,
		text	reason
	)

void __assert_table	(	text	full_table_name,
		boolean	existence
	)

boolean __column_exists	(	text	full_table_name,
		text	column_name
	)

boolean __columns_in_table	(	text[]	column_names,
		text	table_name
	)

text [] __csvstr_to_array

(

text

csv_str

)

text __format	(	text	fmt,
		text[]	args
	)

text __format	(	text	fmt,
		text	arg1,
		text	arg2,
		text	arg3,
		text	arg4
	)

text __format	(	text	fmt,
		text	arg1,
		text	arg2,
		text	arg3
	)

text __format	(	text	fmt,
		text	arg1,
		text	arg2
	)

text __format	(	text	fmt,
		text	arg1
	)

text __get_schema_name

(

text

full_table_name

)

text __get_table_name

(

text

full_table_name

)

int __num_of_columns

(

text

table_name

)

text __regclass_to_text

(

regclass

rc

)

void __rename_table	(	text	from_table,
		text	to_table
	)

text __strip_schema_name

(

text

full_table_name

)

boolean __table_exists

(

text

full_table_name

)