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dz_topo_deploy.sql
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dz_topo_deploy.sql
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WHENEVER SQLERROR EXIT -99;
WHENEVER OSERROR EXIT -98;
SET DEFINE OFF;
--******************************--
PROMPT Collections/DZ_TOPO_VRY.tps
CREATE OR REPLACE TYPE dz_topo_vry FORCE
AS
VARRAY(1048576) OF MDSYS.SDO_TOPO_GEOMETRY;
/
GRANT EXECUTE ON dz_topo_vry TO PUBLIC;
--******************************--
PROMPT Packages/DZ_TOPO_UTIL.pks
CREATE OR REPLACE PACKAGE dz_topo_util
AUTHID CURRENT_USER
AS
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION c_schema(
p_call_stack IN VARCHAR2 DEFAULT NULL
,p_type IN VARCHAR2 DEFAULT 'SCHEMA'
,p_depth IN NUMBER DEFAULT 1
) RETURN VARCHAR2 DETERMINISTIC;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE append2(
p_input_array IN OUT MDSYS.SDO_NUMBER_ARRAY
,p_input_value IN NUMBER
,p_unique IN VARCHAR2 DEFAULT 'FALSE'
);
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE append2(
p_input_array IN OUT MDSYS.SDO_NUMBER_ARRAY
,p_input_value IN MDSYS.SDO_NUMBER_ARRAY
,p_unique IN VARCHAR2 DEFAULT 'FALSE'
);
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION has_holes(
p_input IN MDSYS.SDO_GEOMETRY
) RETURN VARCHAR2;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION is_ring(
p_input IN MDSYS.SDO_GEOMETRY
) RETURN VARCHAR2;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE test_ordinate_rotation(
p_input IN MDSYS.SDO_GEOMETRY
,p_lower_bound IN NUMBER DEFAULT 1
,p_upper_bound IN NUMBER DEFAULT NULL
,p_results OUT VARCHAR2
,p_area OUT NUMBER
);
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE verify_ordinate_rotation(
p_rotation IN VARCHAR2
,p_input IN OUT NOCOPY MDSYS.SDO_GEOMETRY
,p_lower_bound IN PLS_INTEGER DEFAULT 1
,p_upper_bound IN PLS_INTEGER DEFAULT NULL
);
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE verify_ordinate_rotation(
p_rotation IN VARCHAR2
,p_input IN OUT NOCOPY MDSYS.SDO_GEOMETRY
,p_area IN OUT NOCOPY NUMBER
,p_lower_bound IN PLS_INTEGER DEFAULT 1
,p_upper_bound IN PLS_INTEGER DEFAULT NULL
);
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE reverse_ordinate_rotation(
p_input IN OUT NOCOPY MDSYS.SDO_GEOMETRY
,p_lower_bound IN PLS_INTEGER DEFAULT 1
,p_upper_bound IN PLS_INTEGER DEFAULT NULL
);
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE reverse_ordinate_rotation(
p_input IN OUT NOCOPY MDSYS.SDO_ORDINATE_ARRAY
,p_lower_bound IN PLS_INTEGER DEFAULT 1
,p_upper_bound IN PLS_INTEGER DEFAULT NULL
,p_num_dims IN PLS_INTEGER DEFAULT 2
);
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION gz_split(
p_str IN VARCHAR2
,p_regex IN VARCHAR2
,p_match IN VARCHAR2 DEFAULT NULL
,p_end IN NUMBER DEFAULT 0
,p_trim IN VARCHAR2 DEFAULT 'FALSE'
) RETURN MDSYS.SDO_STRING2_ARRAY DETERMINISTIC;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION index_exists(
p_owner IN VARCHAR2 DEFAULT NULL
,p_table_name IN VARCHAR2
,p_column_name IN VARCHAR2
) RETURN VARCHAR2;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION append_hole_to_polygon(
p_input IN MDSYS.SDO_GEOMETRY
,p_hole IN MDSYS.SDO_GEOMETRY
) RETURN MDSYS.SDO_GEOMETRY;
END dz_topo_util;
/
GRANT EXECUTE ON dz_topo_util TO public;
--******************************--
PROMPT Packages/DZ_TOPO_UTIL.pkb
CREATE OR REPLACE PACKAGE BODY dz_topo_util
AS
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION c_schema(
p_call_stack IN VARCHAR2 DEFAULT NULL
,p_type IN VARCHAR2 DEFAULT 'SCHEMA'
,p_depth IN NUMBER DEFAULT 1
) RETURN VARCHAR2 DETERMINISTIC
AS
str_call_stack VARCHAR2(4000 Char) := p_call_stack;
ary_lines MDSYS.SDO_STRING2_ARRAY;
ary_words MDSYS.SDO_STRING2_ARRAY;
int_handle PLS_INTEGER := 0;
int_n PLS_INTEGER;
str_name VARCHAR2(30 Char);
str_owner VARCHAR2(30 Char);
str_type VARCHAR2(30 Char);
BEGIN
IF str_call_stack IS NULL
THEN
str_call_stack := DBMS_UTILITY.FORMAT_CALL_STACK;
END IF;
ary_lines := gz_split(
p_str => str_call_stack
,p_regex => CHR(10)
);
FOR i IN 1 .. ary_lines.COUNT
LOOP
IF ary_lines(i) LIKE '%handle%number%name%'
THEN
int_handle := i + p_depth;
END IF;
END LOOP;
IF int_handle = 0
OR NOT ary_lines.EXISTS(int_handle)
THEN
RAISE_APPLICATION_ERROR(
-20001
,'error in parsing stack, no stack call found at ' || p_depth || ' depth'
);
END IF;
ary_words := gz_split(
p_str => ary_lines(int_handle)
,p_regex => '\s+'
,p_end => 3
);
IF NOT ary_words.EXISTS(3)
THEN
RAISE_APPLICATION_ERROR(
-20001
,'error in parsing call stack line for info' || chr(10) || ary_lines(int_handle)
);
END IF;
IF ary_words(3) LIKE 'pr%'
THEN
int_n := LENGTH('procedure ');
ELSIF ary_words(3) LIKE 'fun%'
THEN
int_n := LENGTH('function ');
ELSIF ary_words(3) LIKE 'package body%'
THEN
int_n := LENGTH('package body ');
ELSIF ary_words(3) LIKE 'pack%'
THEN
int_n := LENGTH('package ');
ELSIF ary_words(3) LIKE 'anonymous%'
THEN
int_n := LENGTH('anonymous block ');
ELSE
int_n := null;
END IF;
IF int_n IS NOT NULL
THEN
str_type := TRIM(UPPER(SUBSTR( ary_words(3), 1, int_n - 1 )));
ELSE
str_type := 'TRIGGER';
END IF;
str_owner := TRIM(
SUBSTR(ary_words(3),int_n + 1,INSTR(ary_words(3),'.') - (int_n + 1))
);
str_name := TRIM(
SUBSTR(ary_words(3),INSTR(ary_words(3),'.') + 1)
);
IF UPPER(p_type) = 'NAME'
THEN
RETURN str_name;
ELSIF UPPER(p_type) = 'SCHEMA.NAME'
OR UPPER(p_type) = 'OWNER.NAME'
THEN
RETURN str_owner || '.' || str_name;
ELSIF UPPER(p_type) = 'TYPE'
THEN
RETURN str_type;
ELSE
RETURN str_owner;
END IF;
END c_schema;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE append2(
p_input_array IN OUT MDSYS.SDO_NUMBER_ARRAY
,p_input_value IN NUMBER
,p_unique IN VARCHAR2 DEFAULT 'FALSE'
)
AS
boo_check BOOLEAN;
num_index PLS_INTEGER;
str_unique VARCHAR2(5 Char);
BEGIN
IF p_unique IS NULL
THEN
str_unique := 'FALSE';
ELSIF UPPER(p_unique) IN ('FALSE','TRUE')
THEN
str_unique := UPPER(p_unique);
ELSE
RAISE_APPLICATION_ERROR(-20001,'p_unique flag must be TRUE or FALSE');
END IF;
IF p_input_array IS NULL
THEN
p_input_array := MDSYS.SDO_NUMBER_ARRAY();
END IF;
IF p_input_array.COUNT > 0
THEN
IF str_unique = 'TRUE'
THEN
boo_check := FALSE;
FOR i IN 1 .. p_input_array.COUNT
LOOP
IF p_input_value = p_input_array(i)
THEN
boo_check := TRUE;
END IF;
END LOOP;
IF boo_check = TRUE
THEN
-- Do Nothing
RETURN;
END IF;
END IF;
END IF;
num_index := p_input_array.COUNT + 1;
p_input_array.EXTEND(1);
p_input_array(num_index) := p_input_value;
END append2;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE append2(
p_input_array IN OUT MDSYS.SDO_NUMBER_ARRAY
,p_input_value IN MDSYS.SDO_NUMBER_ARRAY
,p_unique IN VARCHAR2 DEFAULT 'FALSE'
)
AS
BEGIN
FOR i IN 1 .. p_input_value.COUNT
LOOP
append2(
p_input_array => p_input_array,
p_input_value => p_input_value(i),
p_unique => p_unique
);
END LOOP;
END append2;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION has_holes(
p_input IN MDSYS.SDO_GEOMETRY
) RETURN VARCHAR2
AS
i PLS_INTEGER := 1;
BEGIN
IF p_input IS NULL
THEN
RETURN 'FALSE';
END IF;
WHILE i <= p_input.SDO_ELEM_INFO.COUNT
LOOP
i := i + 1;
IF p_input.SDO_ELEM_INFO(i) = 2003
OR p_input.SDO_ELEM_INFO(i) = 2005
THEN
RETURN 'TRUE';
END IF;
i := i + 2;
END LOOP;
RETURN 'FALSE';
END has_holes;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION is_ring(
p_input IN MDSYS.SDO_GEOMETRY
) RETURN VARCHAR2
AS
BEGIN
--------------------------------------------------------------------------
-- Step 10
-- Input geometry must be a 2 or 3
--------------------------------------------------------------------------
IF p_input.get_gtype() NOT IN (2,3)
THEN
RETURN 'FALSE';
END IF;
--------------------------------------------------------------------------
-- Step 20
-- Polygons cannot have holes
--------------------------------------------------------------------------
IF p_input.get_gtype() = 3
AND has_holes(p_input) = 'TRUE'
THEN
RETURN 'FALSE';
END IF;
--------------------------------------------------------------------------
-- Step 30
-- Input geometry must have the same start and end points
-- Only checking X and Y
--------------------------------------------------------------------------
IF p_input.sdo_ordinates(1) = p_input.sdo_ordinates(p_input.sdo_ordinates.COUNT - (p_input.get_dims() - 2))
AND p_input.sdo_ordinates(2) = p_input.sdo_ordinates(p_input.sdo_ordinates.COUNT - (p_input.get_dims() - 1))
THEN
RETURN 'FALSE';
END IF;
--------------------------------------------------------------------------
-- Step 40
-- Assume its okay
--------------------------------------------------------------------------
RETURN 'TRUE';
END is_ring;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE test_ordinate_rotation(
p_input IN MDSYS.SDO_GEOMETRY,
p_lower_bound IN NUMBER DEFAULT 1,
p_upper_bound IN NUMBER DEFAULT NULL,
p_results OUT VARCHAR2,
p_area OUT NUMBER
)
AS
int_dims PLS_INTEGER;
int_lb PLS_INTEGER := p_lower_bound;
int_ub PLS_INTEGER := p_upper_bound;
num_x NUMBER;
num_y NUMBER;
num_lastx NUMBER;
num_lasty NUMBER;
BEGIN
--------------------------------------------------------------------------
-- Step 10
-- Check over incoming parameters
--------------------------------------------------------------------------
IF int_ub IS NULL
THEN
int_ub := p_input.sdo_ordinates.COUNT;
END IF;
IF int_lb IS NULL
THEN
int_lb := 1;
END IF;
--------------------------------------------------------------------------
-- Step 20
-- Get the number of dimensions in the geometry
--------------------------------------------------------------------------
int_dims := p_input.get_dims();
--------------------------------------------------------------------------
-- Step 30
-- Loop through the ordinates create the area value
--------------------------------------------------------------------------
p_area := 0;
num_lastx := 0;
num_lasty := 0;
WHILE int_lb <= int_ub
LOOP
num_x := p_input.SDO_ORDINATES(int_lb);
num_y := p_input.SDO_ORDINATES(int_lb + 1);
p_area := p_area + ( (num_lasty * num_x ) - ( num_lastx * num_y) );
num_lastx := num_x;
num_lasty := num_y;
int_lb := int_lb + int_dims;
END LOOP;
--------------------------------------------------------------------------
-- Step 40
-- If area is positive, then its clockwise
--------------------------------------------------------------------------
IF p_area > 0
THEN
p_results := 'CW';
ELSE
p_results := 'CCW';
END IF;
--------------------------------------------------------------------------
-- Step 50
-- Preserve the area value if required by the caller
--------------------------------------------------------------------------
p_area := ABS(p_area);
END test_ordinate_rotation;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE verify_ordinate_rotation(
p_rotation IN VARCHAR2
,p_input IN OUT NOCOPY MDSYS.SDO_GEOMETRY
,p_lower_bound IN PLS_INTEGER DEFAULT 1
,p_upper_bound IN PLS_INTEGER DEFAULT NULL
)
AS
num_area NUMBER;
BEGIN
verify_ordinate_rotation(
p_rotation => p_rotation
,p_input => p_input
,p_area => num_area
,p_lower_bound => p_lower_bound
,p_upper_bound => p_upper_bound
);
END verify_ordinate_rotation;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE verify_ordinate_rotation(
p_rotation IN VARCHAR2
,p_input IN OUT NOCOPY MDSYS.SDO_GEOMETRY
,p_area IN OUT NOCOPY NUMBER
,p_lower_bound IN PLS_INTEGER DEFAULT 1
,p_upper_bound IN PLS_INTEGER DEFAULT NULL
)
AS
str_rotation VARCHAR2(3 Char);
int_lb PLS_INTEGER := p_lower_bound;
int_ub PLS_INTEGER := p_upper_bound;
BEGIN
IF p_rotation NOT IN ('CW','CCW')
THEN
RAISE_APPLICATION_ERROR(
-20001
,'rotation values are CW or CCW'
);
END IF;
IF p_upper_bound IS NULL
THEN
int_ub := p_input.SDO_ORDINATES.COUNT;
END IF;
test_ordinate_rotation(
p_input => p_input
,p_lower_bound => int_lb
,p_upper_bound => int_ub
,p_results => str_rotation
,p_area => p_area
);
IF p_rotation = str_rotation
THEN
RETURN;
ELSE
reverse_ordinate_rotation(
p_input => p_input
,p_lower_bound => p_lower_bound
,p_upper_bound => p_upper_bound
);
RETURN;
END IF;
END verify_ordinate_rotation;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE reverse_ordinate_rotation(
p_input IN OUT NOCOPY MDSYS.SDO_GEOMETRY
,p_lower_bound IN PLS_INTEGER DEFAULT 1
,p_upper_bound IN PLS_INTEGER DEFAULT NULL
)
AS
int_n PLS_INTEGER;
int_m PLS_INTEGER;
int_li PLS_INTEGER;
int_ui PLS_INTEGER;
num_tempx NUMBER;
num_tempy NUMBER;
num_tempz NUMBER;
num_tempm NUMBER;
int_lb PLS_INTEGER := p_lower_bound;
int_ub PLS_INTEGER := p_upper_bound;
int_dims PLS_INTEGER;
BEGIN
--------------------------------------------------------------------------
-- Step 10
-- Check over incoming parameters
--------------------------------------------------------------------------
IF int_lb IS NULL
THEN
int_lb := 1;
END IF;
IF int_ub IS NULL
THEN
int_ub := p_input.SDO_ORDINATES.COUNT;
END IF;
int_dims := p_input.get_dims();
int_n := int_ub - int_lb + 1;
-- Exit if only a single ordinate
IF int_n <= int_dims
THEN
RETURN;
END IF;
-- Calculate the start n1, the end n2, and the middle m
int_m := int_lb + (int_n / 2);
int_li := int_lb;
int_ui := int_ub;
WHILE int_li < int_m
LOOP
IF int_dims = 2
THEN
num_tempx := p_input.SDO_ORDINATES(int_li);
num_tempy := p_input.SDO_ORDINATES(int_li + 1);
p_input.SDO_ORDINATES(int_li) := p_input.SDO_ORDINATES(int_ui - 1);
p_input.SDO_ORDINATES(int_li + 1) := p_input.SDO_ORDINATES(int_ui);
p_input.SDO_ORDINATES(int_ui - 1) := num_tempx;
p_input.SDO_ORDINATES(int_ui) := num_tempy;
ELSIF int_dims = 3
THEN
num_tempx := p_input.SDO_ORDINATES(int_li);
num_tempy := p_input.SDO_ORDINATES(int_li + 1);
num_tempz := p_input.SDO_ORDINATES(int_li + 2);
p_input.SDO_ORDINATES(int_li) := p_input.SDO_ORDINATES(int_ui - 2);
p_input.SDO_ORDINATES(int_li + 1) := p_input.SDO_ORDINATES(int_ui - 1);
p_input.SDO_ORDINATES(int_li + 2) := p_input.SDO_ORDINATES(int_ui);
p_input.SDO_ORDINATES(int_ui - 2) := num_tempx;
p_input.SDO_ORDINATES(int_ui - 1) := num_tempy;
p_input.SDO_ORDINATES(int_ui) := num_tempz;
ELSIF int_dims = 4
THEN
num_tempx := p_input.SDO_ORDINATES(int_li);
num_tempy := p_input.SDO_ORDINATES(int_li + 1);
num_tempz := p_input.SDO_ORDINATES(int_li + 2);
num_tempm := p_input.SDO_ORDINATES(int_li + 3);
p_input.SDO_ORDINATES(int_li) := p_input.SDO_ORDINATES(int_ui - 3);
p_input.SDO_ORDINATES(int_li + 1) := p_input.SDO_ORDINATES(int_ui - 2);
p_input.SDO_ORDINATES(int_li + 2) := p_input.SDO_ORDINATES(int_ui - 1);
p_input.SDO_ORDINATES(int_li + 3) := p_input.SDO_ORDINATES(int_ui);
p_input.SDO_ORDINATES(int_ui - 3) := num_tempx;
p_input.SDO_ORDINATES(int_ui - 2) := num_tempy;
p_input.SDO_ORDINATES(int_ui - 1) := num_tempz;
p_input.SDO_ORDINATES(int_ui) := num_tempm;
END IF;
int_li := int_li + int_dims;
int_ui := int_ui - int_dims;
END LOOP;
END reverse_ordinate_rotation;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
PROCEDURE reverse_ordinate_rotation(
p_input IN OUT NOCOPY MDSYS.SDO_ORDINATE_ARRAY
,p_lower_bound IN PLS_INTEGER DEFAULT 1
,p_upper_bound IN PLS_INTEGER DEFAULT NULL
,p_num_dims IN PLS_INTEGER DEFAULT 2
)
AS
int_n PLS_INTEGER;
num_m NUMBER;
int_li PLS_INTEGER;
int_ui PLS_INTEGER;
num_tempx NUMBER;
num_tempy NUMBER;
num_tempz NUMBER;
num_tempm NUMBER;
int_lb PLS_INTEGER := p_lower_bound;
int_ub PLS_INTEGER := p_upper_bound;
int_dims PLS_INTEGER := p_num_dims;
BEGIN
IF int_lb IS NULL
THEN
int_lb := 1;
END IF;
IF int_ub IS NULL
THEN
int_ub := p_input.COUNT;
END IF;
IF int_dims IS NULL
THEN
int_dims := 2;
END IF;
int_n := int_ub - int_lb + 1;
-- Exit if only a single ordinate
IF int_n <= int_dims
THEN
RETURN;
END IF;
-- Calculate the start n1, the end n2, and the middle m
num_m := int_lb + (int_n / 2);
int_li := int_lb;
int_ui := int_ub;
WHILE int_li < num_m
LOOP
IF int_dims = 2
THEN
num_tempx := p_input(int_li);
num_tempy := p_input(int_li + 1);
p_input(int_li) := p_input(int_ui - 1);
p_input(int_li + 1) := p_input(int_ui);
p_input(int_ui - 1) := num_tempx;
p_input(int_ui) := num_tempy;
ELSIF int_dims = 3
THEN
num_tempx := p_input(int_li);
num_tempy := p_input(int_li + 1);
num_tempz := p_input(int_li + 2);
p_input(int_li) := p_input(int_ui - 2);
p_input(int_li + 1) := p_input(int_ui - 1);
p_input(int_li + 2) := p_input(int_ui);
p_input(int_ui - 2) := num_tempx;
p_input(int_ui - 1) := num_tempy;
p_input(int_ui) := num_tempz;
ELSIF int_dims = 4
THEN
num_tempx := p_input(int_li);
num_tempy := p_input(int_li + 1);
num_tempz := p_input(int_li + 2);
num_tempm := p_input(int_li + 3);
p_input(int_li) := p_input(int_ui - 3);
p_input(int_li + 1) := p_input(int_ui - 2);
p_input(int_li + 2) := p_input(int_ui - 1);
p_input(int_li + 3) := p_input(int_ui);
p_input(int_ui - 3) := num_tempx;
p_input(int_ui - 2) := num_tempy;
p_input(int_ui - 1) := num_tempz;
p_input(int_ui) := num_tempm;
END IF;
int_li := int_li + int_dims;
int_ui := int_ui - int_dims;
END LOOP;
END reverse_ordinate_rotation;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION gz_split(
p_str IN VARCHAR2
,p_regex IN VARCHAR2
,p_match IN VARCHAR2 DEFAULT NULL
,p_end IN NUMBER DEFAULT 0
,p_trim IN VARCHAR2 DEFAULT 'FALSE'
) RETURN MDSYS.SDO_STRING2_ARRAY DETERMINISTIC
AS
int_delim PLS_INTEGER;
int_position PLS_INTEGER := 1;
int_counter PLS_INTEGER := 1;
ary_output MDSYS.SDO_STRING2_ARRAY;
num_end NUMBER := p_end;
str_trim VARCHAR2(5 Char) := UPPER(p_trim);
FUNCTION trim_varray(
p_input IN MDSYS.SDO_STRING2_ARRAY
) RETURN MDSYS.SDO_STRING2_ARRAY
AS
ary_output MDSYS.SDO_STRING2_ARRAY := MDSYS.SDO_STRING2_ARRAY();
int_index PLS_INTEGER := 1;
str_check VARCHAR2(4000 Char);
BEGIN
--------------------------------------------------------------------------
-- Step 10
-- Exit if input is empty
--------------------------------------------------------------------------
IF p_input IS NULL
OR p_input.COUNT = 0
THEN
RETURN ary_output;
END IF;
--------------------------------------------------------------------------
-- Step 20
-- Trim the strings removing anything utterly trimmed away
--------------------------------------------------------------------------
FOR i IN 1 .. p_input.COUNT
LOOP
str_check := TRIM(p_input(i));
IF str_check IS NULL
OR str_check = ''
THEN
NULL;
ELSE
ary_output.EXTEND(1);
ary_output(int_index) := str_check;
int_index := int_index + 1;
END IF;
END LOOP;
--------------------------------------------------------------------------
-- Step 10
-- Return the results
--------------------------------------------------------------------------
RETURN ary_output;
END trim_varray;
BEGIN
--------------------------------------------------------------------------
-- Step 10
-- Create the output array and check parameters
--------------------------------------------------------------------------
ary_output := MDSYS.SDO_STRING2_ARRAY();
IF str_trim IS NULL
THEN
str_trim := 'FALSE';
ELSIF str_trim NOT IN ('TRUE','FALSE')
THEN
RAISE_APPLICATION_ERROR(-20001,'boolean error');
END IF;
IF num_end IS NULL
THEN
num_end := 0;
END IF;
--------------------------------------------------------------------------
-- Step 20
-- Exit early if input is empty
--------------------------------------------------------------------------
IF p_str IS NULL
OR p_str = ''
THEN
RETURN ary_output;
END IF;
--------------------------------------------------------------------------
-- Step 30
-- Account for weird instance of pure character breaking
--------------------------------------------------------------------------
IF p_regex IS NULL
OR p_regex = ''
THEN
FOR i IN 1 .. LENGTH(p_str)
LOOP
ary_output.EXTEND(1);
ary_output(i) := SUBSTR(p_str,i,1);
END LOOP;
RETURN ary_output;
END IF;
--------------------------------------------------------------------------
-- Step 40
-- Break string using the usual REGEXP functions
--------------------------------------------------------------------------
LOOP
EXIT WHEN int_position = 0;
int_delim := REGEXP_INSTR(p_str,p_regex,int_position,1,0,p_match);
IF int_delim = 0
THEN
-- no more matches found
ary_output.EXTEND(1);
ary_output(int_counter) := SUBSTR(p_str,int_position);
int_position := 0;
ELSE
IF int_counter = num_end
THEN
-- take the rest as is
ary_output.EXTEND(1);
ary_output(int_counter) := SUBSTR(p_str,int_position);
int_position := 0;
ELSE
--dbms_output.put_line(ary_output.COUNT);
ary_output.EXTEND(1);
ary_output(int_counter) := SUBSTR(p_str,int_position,int_delim-int_position);
int_counter := int_counter + 1;
int_position := REGEXP_INSTR(p_str,p_regex,int_position,1,1,p_match);
END IF;
END IF;
END LOOP;
--------------------------------------------------------------------------
-- Step 50
-- Trim results if so desired
--------------------------------------------------------------------------
IF str_trim = 'TRUE'
THEN
RETURN trim_varray(
p_input => ary_output
);
END IF;
--------------------------------------------------------------------------
-- Step 60
-- Cough out the results
--------------------------------------------------------------------------
RETURN ary_output;
END gz_split;
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
FUNCTION index_exists(
p_owner IN VARCHAR2 DEFAULT NULL
,p_table_name IN VARCHAR2
,p_column_name IN VARCHAR2
) RETURN VARCHAR2
AS
str_owner VARCHAR2(30 Char) := UPPER(p_owner);
num_counter NUMBER;
BEGIN