?
Solved

generate a dynamic mysql query

Posted on 2016-10-10
2
Medium Priority
?
56 Views
Last Modified: 2016-10-10
php code where I am trying to generate a dynamic mysql query for https://www.experts-exchange.com/questions/28975524/Get-error-when-search-query-run-in-loop.html?anchor=a41837368#a41837368
The query is giving me error.
php code is

if($skillsMain) {
		// Search for employees from Table: employee_info
		 $sql_search = "SELECT * FROM employee_info WHERE 1 = 1 ";
		if($city!='') {
			$sql_search .= " AND city='$city' ";
		}
		
		if($skillsMain!='' && $skillsMain!='.' & $skillsMain!=',') {
			$sql_search .= " AND ( ";
			$skillsArr = explode(',', $skillsMain); 
			$arrCount = count($skillsArr);
			$counter = 1;
			foreach($skillsArr as $skills){
				$skills = trim($skills);
				$sql_search .=  "( key_skills LIKE '%$skills%' OR  job_title LIKE '%$skills%' OR  current_designation LIKE '%$skills%' OR  company_name LIKE '%$skills%' OR  objective LIKE '%$skills%' OR  resum_headline LIKE '%$skills%' OR  job_responsibility LIKE '%$skills%' OR  institute LIKE '%$skills%' OR  institute LIKE '%$skills%')";
				if($counter < $arrCount) {
					$sql_search .=  " OR ";
				}
				$counter ++;
			}
			$sql_search .= " ) ";
			
		}

		// Filter by Experience
		if($exp_min && $exp_max) {
			$sql_search .= " AND total_experience between $exp_min and $exp_max";
		} else if($exp_min) {
			$sql_search .= " AND total_experience > $exp_min";
		} else if($exp_max) {
			$sql_search .= " AND total_experience < $exp_max";
		} else if($experience!='')
		{
			$sql_search .= " AND total_experience=$experience";
		}
		// Filter By Salary
		if($sal_min && $sal_max) {
			$sql_search .= " AND salary between $sal_min and $sal_max";
		} else if($sal_min) {
			$sql_search .= " AND salary > $sal_min";
		} else if($sal_max) {
			$sql_search .= " AND salary < $sal_max";
		} else if($salary!='')
		{
			$sql_search .= " AND salary='$salary'";
		}
		
		if($func!='') {
			$sql_search .= " and functional_area='$func'";
		}
		if($inds!='') {
			$sql_search .= " and industry='$inds'";
		}
		if($qual!='') {
			$sql_search .= " and qualification='$qual'";
		}
	// for keywords
	 if($keywords!='' && $refineskills!='' ) {
		$sql_search .= " and job_description LIKE '%".$keywords."%' or  skills LIKE '%".$keywords."%' ";
	}

		$sql_search .= " GROUP BY  uid DESC";
		$sql_search .=  " UNION ";
		$arrCount1 = count($skillsArr);
		$counter1 = 1;
		foreach($skillsArr as $skills1){
				$skills1 = trim($skills1);
				$sql_search .= "(SELECT `id` , `uid` ,  `pre_company_name` ,  `pre_industry` ,  `pre_functional_area` ,  `pre_job_date` ,  `pre_job_date_month` ,  `pre_responsibility`   FROM prev_companies WHERE pre_company_name LIKE '%".$skills1."%' OR pre_industry LIKE '%". $skills1 ."%' OR pre_functional_area LIKE '%". $skills1 ."%' OR pre_responsibility LIKE '%". $skills1 ."%')";
				if($counter1 < $arrCount1) {
					$sql_search .=  " OR ";
				}
				$counter1 ++;
			} 
			
		
		echo $sql_search;

Open in new window

0
Comment
Question by:Amita Singh
2 Comments
 
LVL 38

Accepted Solution

by:
Pawan Kumar earned 2000 total points
ID: 41837424
I am not an expert in php but i think this will work. Pls try.

---------

if($skillsMain) 
{
		// Search for employees from Table: employee_info
		
		 $sql_search = " SELECT `id` , `uid` ,  `company_name` , `industry` ,  `functional_area` , `current_job_date` , `current_job_date_month` , `job_responsibility` FROM employee_info WHERE 1 = 1 ";
		 
		if($city!='') 
		{
			$sql_search .= " AND city='$city' ";
		}
		
		if($skillsMain!='' && $skillsMain!='.' & $skillsMain!=',') 
		{
			
			$sql_search .= " AND ( ";
			
			$skillsArr = explode(',', $skillsMain); 
			
			$arrCount = count($skillsArr);
			
			$counter = 1;
			
			foreach($skillsArr as $skills)
			{
				$skills = trim($skills);
				$sql_search .=  
				
				" (    key_skills LIKE '%$skills%' OR  job_title LIKE '%$skills%' OR  current_designation LIKE '%$skills%' 
				   OR company_name LIKE '%$skills%' OR  objective LIKE '%$skills%' OR  resum_headline LIKE '%$skills%' 
				   OR job_responsibility LIKE '%$skills%' OR  institute LIKE '%$skills%' OR  institute LIKE '%$skills%' ) ";
				
				if($counter < $arrCount) 
				{
					$sql_search .=  " OR ";
				}
				
				$counter ++;
			}
			
			$sql_search .= " ) ";
			
		}
		
		// Filter by Experience
		
		if($exp_min && $exp_max) 
		{
			$sql_search .= " AND total_experience between $exp_min and $exp_max";
		} 
		else if($exp_min) 
		{
			$sql_search .= " AND total_experience > $exp_min";
		} 
		else if($exp_max) 
		{
			$sql_search .= " AND total_experience < $exp_max";
		} 
		else if($experience!='')
		{
			$sql_search .= " AND total_experience = $experience";
		}
				
		// Filter By Salary
		
		if($sal_min && $sal_max) 
		{
			$sql_search .= " AND salary between $sal_min and $sal_max";
		} 
		else if($sal_min) 
		{
			$sql_search .= " AND salary > $sal_min";
		} 
		else if($sal_max) 
		{
			$sql_search .= " AND salary < $sal_max";
		} 
		else if($salary!='')
		{
			$sql_search .= " AND salary='$salary'";
		}
		
		if($func!='') {
			$sql_search .= " AND functional_area='$func'";
		}
		if($inds!='') {
			$sql_search .= " AND industry='$inds'";
		}
		if($qual!='') {
			$sql_search .= " AND qualification='$qual'";
		}
	
	
	  // for keywords
	 
	 if($keywords!='' && $refineskills!='' ) 
	 {
		$sql_search .= " AND ( job_description LIKE '%".$keywords."%' OR skills LIKE '%".$keywords."%' ) ";
	 } 

	$sql_search .=  " UNION ";
	
	
	$sql_search .= " SELECT `id` , `uid` ,  `pre_company_name` ,  `pre_industry` ,  `pre_functional_area` ,  `pre_job_date` ,  `pre_job_date_month` ,  `pre_responsibility` FROM prev_companies 
			WHERE 1 = 1 "
	
	
	$skillsArr = explode(',', $skillsMain);
	
	if($skillsArr!='' && $skillsArr!='.' & $skillsArr!=',') 
	{

			$sql_search .= " AND ( ";

				$arrCount1 = count($skillsArr);
				$counter1 = 1;
				foreach($skillsArr as $skills1)
				{
						$skills1 = trim($skills1);
						
						$sql_search .= " ( pre_company_name LIKE '%".$skills1."%' OR pre_industry LIKE '%". $skills1 ."%' OR pre_functional_area LIKE '%". $skills1 ."%' OR pre_responsibility LIKE '%". $skills1 ."%' ) ";						
						
						if($counter1 < $arrCount1) 
						{
							$sql_search .=  " OR ";
						}
						
						$counter1 ++;
				} 

			$sql_search .= " ) ";

	}	
		
echo $sql_search;

---------

Open in new window


Hope it helps..
0
 
LVL 2

Author Closing Comment

by:Amita Singh
ID: 41837433
yes its work. thanx
0

Featured Post

Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

In this blog post, we’ll look at how ClickHouse performs in a general analytical workload using the star schema benchmark test.
In this article, we’ll look at how to deploy ProxySQL.
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions. Consider email address RFCs: Look at HTML5 form input element (with type=email) regex pattern: T…
In this video, Percona Solution Engineer Rick Golba discuss how (and why) you implement high availability in a database environment. To discuss how Percona Consulting can help with your design and architecture needs for your database and infrastr…
Suggested Courses

621 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question