package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?iU)(?<prm>\w+)\s+.*:\s*=\s*'(?<tbl>\w+)'\s*;(?:.|\n)*(?:alter|create)\s+table\s+'\s*\|\|\s*(\k<prm>\s+)`)
var str = `DECLARE
COUNTER NUMBER(10) := 0;
pTABLENAME VARCHAR2(100) := 'ALM_AL1';
pCOLUMNNAME VARCHAR2(100) := 'FLOATACCRUALDCBASISDAYC';
pDATATYPE VARCHAR2(100) := 'NVARCHAR2(50) NULL';
pSQL VARCHAR2(32000) := '
ALTER TABLE ' || pTABLENAME || ' ADD ' || pCOLUMNNAME || ' ' || pDATATYPE;
BEGIN
SELECT COUNT(0) INTO COUNTER FROM USER_TAB_COLUMNS WHERE TABLE_NAME=UPPER(pTABLENAME) AND COLUMN_NAME=UPPER(pCOLUMNNAME);
IF COUNTER>0 THEN
dbms_output.put_line(pTABLENAME || ' tablosunda ' || pCOLUMNNAME || ' kolonu var.');
ELSE
EXECUTE IMMEDIATE pSQL;
dbms_output.put_line(pTABLENAME || ' tablosuna' || pCOLUMNNAME || ' kolonu oluÅ?turuldu.');
END IF;
EXCEPTION
WHEN OTHERS THEN
dbms_output.put_line('HATA: ' || pSQL || ' -> SQLERRM: ' || SQLERRM);
END;
/
DECLARE
COUNTER NUMBER(10) := 0;
pTABLENAME VARCHAR2(100) := 'ALM_AL2';
pCOLUMNNAME VARCHAR2(100) := 'RATETYPETYPE';
pDATATYPE VARCHAR2(100) := 'NVARCHAR2(40) NULL';
pSQL VARCHAR2(32000) := '
ALTER TABLE ' || pTABLENAME || ' ADD ' || pCOLUMNNAME || ' ' || pDATATYPE;
BEGIN
SELECT COUNT(0) INTO COUNTER FROM USER_TAB_COLUMNS WHERE TABLE_NAME=UPPER(pTABLENAME) AND COLUMN_NAME=UPPER(pCOLUMNNAME);
IF COUNTER>0 THEN
dbms_output.put_line(pTABLENAME || ' tablosunda ' || pCOLUMNNAME || ' kolonu var.');
ELSE
EXECUTE IMMEDIATE pSQL;
dbms_output.put_line(pTABLENAME || ' tablosuna' || pCOLUMNNAME || ' kolonu oluÅ?turuldu.');
END IF;
EXCEPTION
WHEN OTHERS THEN
dbms_output.put_line('HATA: ' || pSQL || ' -> SQLERRM: ' || SQLERRM);
END;
/
DECLARE
COUNTER NUMBER(10) := 0;
pTABLENAME VARCHAR2(100) := 'ALM_AL3';
pCOLUMNNAME VARCHAR2(100) := 'PAYCURRENCYUNIT';
pDATATYPE VARCHAR2(100) := 'NVARCHAR2(3) NULL';
pSQL VARCHAR2(32000) := '
ALTER TABLE ' || pTABLENAME || ' ADD ' || pCOLUMNNAME || ' ' || pDATATYPE;
BEGIN
SELECT COUNT(0) INTO COUNTER FROM USER_TAB_COLUMNS WHERE TABLE_NAME=UPPER(pTABLENAME) AND COLUMN_NAME=UPPER(pCOLUMNNAME);
IF COUNTER>0 THEN
dbms_output.put_line(pTABLENAME || ' tablosunda ' || pCOLUMNNAME || ' kolonu var.');
ELSE
EXECUTE IMMEDIATE pSQL;
dbms_output.put_line(pTABLENAME || ' tablosuna' || pCOLUMNNAME || ' kolonu oluÅ?turuldu.');
END IF;
EXCEPTION
WHEN OTHERS THEN
dbms_output.put_line('HATA: ' || pSQL || ' -> SQLERRM: ' || SQLERRM);
END;
/`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/