Bruce Momjian 181ca96e7a August 6, 2002 ... 1. Reworked patch from Andrey Oktyabrski (ano@spider.ru) with functions: icount, sort, sort_asc, uniq, idx, subarray operations: #, +, -, |, & FUNCTIONS: int icount(int[]) - the number of elements in intarray int[] sort(int[], 'asc' | 'desc') - sort intarray int[] sort(int[]) - sort in ascending order int[] sort_asc(int[]),sort_desc(int[]) - shortcuts for sort int[] uniq(int[]) - returns unique elements int idx(int[], int item) - returns index of first intarray matching element to item, or '0' if matching failed. int[] subarray(int[],int START [, int LEN]) - returns part of intarray starting from element number START (from 1) and length LEN. OPERATIONS: int[] && int[] - overlap - returns TRUE if arrays has at least one common elements. int[] @ int[] - contains - returns TRUE if left array contains right array int[] ~ int[] - contained - returns TRUE if left array is contained in right array # int[] - return the number of elements in array int[] + int - push element to array ( add to end of array) int[] + int[] - merge of arrays (right array added to the end of left one) int[] - int - remove entries matched by right argument from array int[] - int[] - remove left array from right int[] | int - returns intarray - union of arguments int[] | int[] - returns intarray as a union of two arrays int[] & int[] - returns intersection of arrays Oleg Bartunov		2002-08-10 20:38:29 +00:00
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_int.sql	August 6, 2002	2002-08-10 20:38:29 +00:00