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‎README.md‎

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# JSON to SQL parser
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org.json.JSONObject to SQL parser using [**JsqlParser**](https://github.com/JSQLParser/JSqlParser)<br>
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Interact with [**SqlToJsonParser**](https://github.com/inzapp/sql-to-json-parser)<br>
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## Download
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https://github.com/inzapp/json-to-sql-parser/releases
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## Usage
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Run as default file name
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Default input file name : input.json
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Default output file name : output.txt
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```bash
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$ java -jar json-to-sql-parser.jar
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```
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Run as specified file name
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```bash
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$ java -jar json-to-sql-parser.jar yourInputFileName yourOutputFileName
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```
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In Java
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```java
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JsonToSqlParser jsonToSqlParser = new JsonToSqlParser();
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String sql = jsonToSqlParser.parse(jsonObject);
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```
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## Select
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input
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```json
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{
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"CRUD": ["SELECT"],
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"COLUMN": ["*"],
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"TABLE": ["TAB"]
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}
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```
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output
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```sql
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SELECT * FROM TAB
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```
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## Insert
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input
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```json
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{
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"CRUD": ["INSERT"],
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"TABLE": ["TABLENAME"],
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"VALUE": ["'TESTVALUE'"]
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}
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```
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output
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```sql
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INSERT INTO TABLENAME VALUES ('TESTVALUE')
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```
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## Update
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input
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```json
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{
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"CRUD": ["UPDATE"],
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"COLUMN": ["COLNAME"],
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"TABLE": ["TABLENAME"],
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"VALUE": ["1"],
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"WHERE": ["CONDITION = 2"]
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}
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```
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output
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```sql
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UPDATE TABLENAME SET COLNAME = 1 WHERE CONDITION = 2
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```
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## Delete
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input
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```json
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{
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"CRUD": ["DELETE"],
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"TABLE": ["TABLE"],
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"WHERE": ["CONDITION = 'ALL'"]
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}
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```
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output
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```sql
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DELETE FROM TABLE WHERE CONDITION = 'ALL'
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```
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## Sub Query
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input
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```json
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{
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"CRUD": ["SELECT"],
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"COLUMN": [
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"A",
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"B"
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],
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"TABLE": ["(SELECT A, B FROM FROMTABLE WHERE SUBCONDITION = 'SUBCONDITION')"],
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"TABLE SUB QUERY 1": ["(SELECT A, B FROM FROMTABLE WHERE FROMCONDITION = 'FROMCONDITION')"],
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"TABLE SUB QUERY ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": [
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"A",
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"B"
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],
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"TABLE": ["FROMTABLE"],
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"WHERE": ["FROMCONDITION = 'FROMCONDITION'"]
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},
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"WHERE": ["C = (SELECT C FROM WHERETABLE WHERE WHERECONDITION = 'WHERECONDITION')"],
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"WHERE SUB QUERY 1": ["(SELECT C FROM WHERETABLE WHERE WHERECONDITION = 'WHERECONDITION')"],
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"WHERE SUB QUERY ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": ["C"],
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"TABLE": ["WHERETABLE"],
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"WHERE": ["WHERECONDITION = 'WHERECONDITION'"]
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},
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"ORDER_BY": ["A"]
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}
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```
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output
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```sql
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SELECT A, B FROM
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(
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SELECT A, B
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FROM FROMTABLE
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WHERE SUBCONDITION = 'SUBCONDITION'
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)
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WHERE C =
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(
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SELECT C
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FROM WHERETABLE
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WHERE WHERECONDITION = 'WHERECONDITION'
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) ORDER BY A
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```
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## Join and Alias
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input
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```json
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{
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"CRUD": ["SELECT"],
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"COLUMN": [
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"A.a",
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"C.b",
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"E.c"
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],
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"JOIN 1": ["LEFT OUTER JOIN table_resource C ON A.select_id = C.select_id"],
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"JOIN 2": [
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"INNER JOIN item D ON A.id = D.id",
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"INNER JOIN table_item E ON D.c = E.c"
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],
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"JOIN ALIAS 1": ["C"],
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"JOIN ALIAS 2": [
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"D",
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"E"
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],
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"TABLE": ["(SELECT A.a, A.select_id, B.id FROM table A INNER JOIN joinTable B ON A.id = B.id INNER JOIN joinTable2 C ON B.id2 = C.id2 WHERE A.yn = 'Y' AND C.id2 = 'id' AND A.select_id = (SELECT select_id FROM selector_table WHERE c_name = 'con_name' AND gateway = 'gateway' AND CONTAINER = 'container')) A"],
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"TABLE ALIAS": ["A"],
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"TABLE SUB QUERY 1": ["(SELECT A.a, A.select_id, B.id FROM table A INNER JOIN joinTable B ON A.id = B.id INNER JOIN joinTable2 C ON B.id2 = C.id2 WHERE A.yn = 'Y' AND C.id2 = 'id' AND A.select_id = (SELECT select_id FROM selector_table WHERE c_name = 'con_name' AND gateway = 'gateway' AND CONTAINER = 'container'))"],
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"TABLE SUB QUERY ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": [
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"A.a",
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"A.select_id",
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"B.id"
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],
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"JOIN 1": ["INNER JOIN joinTable B ON A.id = B.id"],
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"JOIN 2": ["INNER JOIN joinTable2 C ON B.id2 = C.id2"],
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"JOIN ALIAS 1": ["B"],
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"JOIN ALIAS 2": ["C"],
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"TABLE": ["table A"],
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"TABLE ALIAS": ["A"],
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"WHERE": ["A.yn = 'Y' AND C.id2 = 'id' AND A.select_id = (SELECT select_id FROM selector_table WHERE c_name = 'con_name' AND gateway = 'gateway' AND CONTAINER = 'container')"],
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"WHERE SUB QUERY 1": ["(SELECT select_id FROM selector_table WHERE c_name = 'con_name' AND gateway = 'gateway' AND CONTAINER = 'container')"],
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"WHERE SUB QUERY ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": ["select_id"],
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"TABLE": ["selector_table"],
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"WHERE": ["c_name = 'con_name' AND gateway = 'gateway' AND CONTAINER = 'container'"]
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}
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}
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}
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```
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output
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```sql
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SELECT A.a, C.b, E.c
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FROM
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(
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SELECT A.a, A.select_id, B.id
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FROM
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table A
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INNER JOIN joinTable B ON A.id = B.id
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INNER JOIN joinTable2 C ON B.id2 = C.id2
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WHERE A.yn = 'Y' AND
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C.id2 = 'id' AND
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A.select_id =
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(
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SELECT select_id
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FROM selector_table
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WHERE c_name = 'con_name' AND
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gateway = 'gateway' AND
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CONTAINER = 'container'
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)
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) A
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LEFT OUTER JOIN table_resource C ON A.select_id = C.select_id
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INNER JOIN item D ON A.id = D.id
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INNER JOIN table_item E ON D.c = E.c
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```
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## Union
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input
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```json
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{
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"CRUD": ["SELECT"],
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"COLUMN": ["*"],
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"TABLE": ["(SELECT A, B, C FROM SUBQUERYTABLE WHERE CONDITION IN ('A', 'B', 'C') AND CONDITION IN (SELECT CONDITION FROM ANOTHER UNION SELECT CONDITION FROM UNIONTABLE))"],
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"TABLE SUB QUERY 1": ["(SELECT A, B, C FROM SUBQUERYTABLE WHERE CONDITION IN ('A', 'B', 'C') AND CONDITION IN (SELECT CONDITION FROM ANOTHER UNION SELECT CONDITION FROM UNIONTABLE))"],
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"TABLE SUB QUERY ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": [
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"A",
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"B",
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"C"
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],
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"TABLE": ["SUBQUERYTABLE"],
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"WHERE": ["CONDITION IN ('A', 'B', 'C') AND CONDITION IN (SELECT CONDITION FROM ANOTHER UNION SELECT CONDITION FROM UNIONTABLE)"],
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"WHERE SUB QUERY 1": ["(SELECT CONDITION FROM ANOTHER UNION SELECT CONDITION FROM UNIONTABLE)"],
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"WHERE SUB QUERY ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": ["CONDITION"],
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"TABLE": ["ANOTHER"],
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"UNION 1": ["SELECT CONDITION FROM UNIONTABLE"],
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"UNION ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": ["CONDITION"],
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"TABLE": ["UNIONTABLE"]
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}
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}
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},
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"UNION ALL 1": ["SELECT DISTINCT VAL FROM ((SELECT FIELD1 AS VAL FROM TABLE1 WHERE CONDITION1 = 'CONDITION1') UNION ALL (SELECT FIELD2 FROM TABLE1 WHERE CONDITION2 = 'CONDITION2') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3')) T"],
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"UNION ALL ANALYSE 1": {
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"CRUD": ["SELECT"],
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"DISTINCT": ["TRUE"],
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"COLUMN": ["VAL"],
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"TABLE": ["((SELECT FIELD1 AS VAL FROM TABLE1 WHERE CONDITION1 = 'CONDITION1') UNION ALL (SELECT FIELD2 FROM TABLE1 WHERE CONDITION2 = 'CONDITION2') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3')) T"],
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"TABLE ALIAS": ["T"],
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"TABLE SUB QUERY 1": ["((SELECT FIELD1 AS VAL FROM TABLE1 WHERE CONDITION1 = 'CONDITION1') UNION ALL (SELECT FIELD2 FROM TABLE1 WHERE CONDITION2 = 'CONDITION2') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3'))"],
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"TABLE SUB QUERY ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": ["FIELD1 AS VAL"],
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"TABLE": ["TABLE1"],
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"UNION ALL 1": ["SELECT FIELD2 FROM TABLE1 WHERE CONDITION2 = 'CONDITION2'"],
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"UNION ALL 2": ["SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3'"],
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"UNION ALL 3": ["SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3'"],
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"UNION ALL ANALYSE 1": {
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"CRUD": ["SELECT"],
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"COLUMN": ["FIELD2"],
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"TABLE": ["TABLE1"],
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"WHERE": ["CONDITION2 = 'CONDITION2'"]
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},
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"UNION ALL ANALYSE 2": {
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"CRUD": ["SELECT"],
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"COLUMN": ["FIELD3"],
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"TABLE": ["TABLE3"],
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"WHERE": ["CONDITION3 = 'CONDITION3'"]
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},
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"UNION ALL ANALYSE 3": {
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"CRUD": ["SELECT"],
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"COLUMN": ["FIELD3"],
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"TABLE": ["TABLE3"],
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"WHERE": ["CONDITION3 = 'CONDITION3'"]
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},
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"WHERE": ["CONDITION1 = 'CONDITION1'"]
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}
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}
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}
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```
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output
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```sql
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(
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SELECT *
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FROM
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(
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SELECT A, B, C
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FROM SUBQUERYTABLE
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WHERE CONDITION IN ('A', 'B', 'C')
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AND CONDITION IN
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(
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SELECT CONDITION
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FROM ANOTHER
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UNION
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SELECT CONDITION
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FROM UNIONTABLE
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)
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)
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)
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UNION ALL
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(
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SELECT DISTINCT VAL
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FROM
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(
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(
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SELECT FIELD1 AS VAL
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FROM TABLE1
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WHERE CONDITION1 = 'CONDITION1'
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)
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UNION ALL
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(
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SELECT FIELD2
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FROM TABLE1
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WHERE CONDITION2 = 'CONDITION2'
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)
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UNION ALL
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(
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SELECT FIELD3
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FROM TABLE3
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WHERE CONDITION3 = 'CONDITION3'
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)
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UNION ALL
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(
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SELECT FIELD3
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FROM TABLE3
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WHERE CONDITION3 = 'CONDITION3'
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)
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) T
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)
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```

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