Feature : 'like' and 'not like' operators in where clause npm v0.2.9

README.md

@@ -200,13 +200,15 @@ eg: gets all fields in table row but not checkNumber
 #### Comparison operators
 
 ```
-eq  -   '='         -  (colName,eq,colValue)
-ne  -   '!='        -  (colName,ne,colValue)
-gt  -   '>'         -  (colName,ne,colValue)
-gte -   '>='        -  (colName,ne,colValue)
-lt  -   '<'         -  (colName,ne,colValue)
-lte -   '<='        -  (colName,ne,colValue)
-in -   'in'         -  (colName,ne,val1,val2,val3,val4)
+eq      -   '='         -  (colName,eq,colValue)
+ne      -   '!='        -  (colName,ne,colValue)
+gt      -   '>'         -  (colName,gt,colValue)
+gte     -   '>='        -  (colName,gte,colValue)
+lt      -   '<'         -  (colName,lt,colValue)
+lte     -   '<='        -  (colName,lte,colValue)
+in      -   'in'        -  (colName,in,val1,val2,val3,val4)
+like    -   'like'      -  (colName,like,~name)   note: use ~ in place of % 
+nlike   -   'not like'  -  (colName,nlike,~name)  note: use ~ in place of %
 ```
 
 #### Use of comparison operators

lib/util/cmd.helper.js

@@ -11,7 +11,7 @@ program.on('--help', () => {
 })
 
 program
-  .version('0.2.8')
+  .version('0.2.9')
   .option('-h, --host <n>', 'hostname / localhost by default')
   .option('-u, --user <n>', 'username of database / root by default')
   .option('-p, --password <n>', 'password of database / empty by default')

lib/util/whereClause.helper.js

@@ -37,6 +37,14 @@ function prepareInClauseParams(input) {
 
 }
 
+function prepareLikeValue(value) {
+
+  //return value.replace("~", "%");
+  return value.replace(/~/g, '%');
+
+}
+
+
 function replaceWhereParamsToQMarks(openParentheses, str, comparisonOperator) {
 
   let converted = ''
@@ -111,13 +119,13 @@ function getComparisonOperator(operator) {
     //   return ' is not NULL '
     //   break;
 
-    // case 'like':
-    //   return ' like '
-    //   break;
+    case 'like':
+      return ' like '
+      break;
 
-    // case 'nlike':
-    //   return ' not like '
-    //   break;
+    case 'nlike':
+      return ' not like '
+      break;
 
     case 'in':
       return ' in '
@@ -243,6 +251,8 @@ exports.getConditionClause = function (whereInQueryParams, condType = 'where') {
       let obj = prepareInClauseParams(variableValue[1])
       whereQuery += obj.whereQuery
       whereParams = whereParams.concat(obj.whereParams)
+    } else if (comparisonOperator === ' like ' || comparisonOperator === ' not like ') {
+      whereParams.push(prepareLikeValue(variableValue[1]))
     } else {
       whereParams.push(variableValue[1])
     }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "xmysql",
-  "version": "0.2.8",
+  "version": "0.2.9",
   "description": "One command to generate REST APIs for any MySql database",
   "main": "index.js",
   "scripts": {

tests/tests.js

@@ -783,6 +783,71 @@ describe('xmysql : tests', function () {
       });
   });
 
+  http://localhost:3000/api/offices?_where=(city,like,~on~)
+
+  it('GET /api/offices?_where=(city,like,~on~) should PASS', function (done) {
+
+    //post to an url with data
+    agent.get('/api/offices?_where=(city,like,~on~)')     //enter url
+      .expect(200)//200 for success 4xx for failure
+      .end(function (err, res) {
+        // Handle /api/v error
+        if (err) {
+          return done(err);
+        }
+
+        //validate response
+        res.body.length.should.be.equals(2)
+
+
+        return done();
+
+      });
+  });
+
+  it('GET /api/offices?_where=(city,like,san~) should PASS', function (done) {
+
+    //post to an url with data
+    agent.get('/api/offices?_where=(city,like,san~)')     //enter url
+      .expect(200)//200 for success 4xx for failure
+      .end(function (err, res) {
+        // Handle /api/v error
+        if (err) {
+          return done(err);
+        }
+
+        //validate response
+        res.body.length.should.be.equals(1)
+
+
+
+        return done();
+
+      });
+  });
+
+  it('GET /api/offices?_where=(country,nlike,us~) should PASS', function (done) {
+
+    //post to an url with data
+    agent.get('/api/offices?_where=(country,nlike,us~)')     //enter url
+      .expect(200)//200 for success 4xx for failure
+      .end(function (err, res) {
+        // Handle /api/v error
+        if (err) {
+          return done(err);
+        }
+
+        //validate response
+        res.body.length.should.be.equals(4)
+
+
+
+        return done();
+
+      });
+  });
+
+
   it('GET /api/payments?_where=(amount,gte,1000)&_sort=-amount should PASS', function (done) {
 
     //post to an url with data
@@ -1710,6 +1775,33 @@ describe('xmysql : tests', function () {
 
   });
 
+  it('where clause unit ?_where=(a,like,~1234) should PASS', function (done) {
+
+    var err = whereClause.getConditionClause('(a,like,~1234)')
+
+    err.err.should.be.equal(0)
+    err.query.should.be.equal('(?? like ?)')
+    err.params[0].should.be.equal('a')
+    err.params[1].should.be.equal('%1234')
+
+    done()
+
+  });
+
+  it('where clause unit ?_where=(a,like,~1234~) should PASS', function (done) {
+
+    var err = whereClause.getConditionClause('(a,like,~1234~)')
+
+    err.err.should.be.equal(0)
+    err.query.should.be.equal('(?? like ?)')
+    err.params[0].should.be.equal('a')
+    err.params[1].should.be.equal('%1234%')
+
+    done()
+
+  });
+
+
   // it('GET http://localhost:3000/api/customers/groupby?_fields=city,country&_having=(customerNumber,lt,110) should PASS', function (done) {
   //
   //   //post to an url with data