PATINDEX SQL function

1. Usage of PATINDEX to find 'restaurant' in company name.

SQL Server Query 1

            
SELECT  

    CustomerID,  

    CompanyName,  

    PATINDEX('%Restaurant%', CompanyName) AS RestaurantPosition  

FROM  

    Customers  

WHERE  

    PATINDEX('%Restaurant%', CompanyName) > 0;  

            
        

Create SQL query with SqlQueryBuilder 1

            
var (sql1, parameters1) = new SqlQueryBuilder()  

    .Select()  

    .Columns("CustomerID", "CompanyName")  

    .Column(new PATINDEX("%Restaurant%", new Column("CompanyName")), "RestaurantPosition")  

    .From("Customers")  

    .Where(new Where(new PATINDEX(new CONCAT("%", "Restaurant", "%"), new Column("CompanyName")), SQLComparisonOperators.GREATER_THAN, 0))  

    .Build();  

            
        

Query build by SqlQueryBuilder 1

            
SELECT CustomerID,
       CompanyName,
       PATINDEX(@pMAIN_2507200132162282330, CompanyName) AS RestaurantPosition
FROM Customers
WHERE PATINDEX(CONCAT(@pMAIN_2507200132162282331, @pMAIN_2507200132162282332, @pMAIN_2507200132162282333), CompanyName) > @pMAIN_2507200132162282334;


            
        

Parameters (If used)

Query Results 1:

2. Usage of PATINDEX to find position of 'chef' keyword.

SQL Server Query 2

            
SELECT  

    ProductID,  

    ProductName,  

    CASE  

        WHEN PATINDEX('%Chef [A-Za-z]%', ProductName) > 0  

            THEN PATINDEX('%Chef [A-Za-z]%', ProductName)  

        WHEN PATINDEX('%[0-9][gG]%', ProductName) > 0  

            THEN PATINDEX('%[0-9][gG]%', ProductName)  

        ELSE 0  

    END AS MatchedPosition,  

    CASE  

        WHEN PATINDEX('%Chef [A-Za-z]%', ProductName) > 0 THEN 'Chef followed by word'  

        WHEN PATINDEX('%[0-9][gG]%', ProductName) > 0 THEN 'Number followed by g/G'  

        ELSE 'No Match'  

    END AS MatchDescription  

FROM  

    Products  

WHERE  

    PATINDEX('%Chef [A-Za-z]%', ProductName) > 0 OR  

    PATINDEX('%[0-9][gG]%', ProductName) > 0;  

            
        

Create SQL query with SqlQueryBuilder 2

            
var (sql2, parameters2) = new SqlQueryBuilder()  

    .Select()  

    .Column("ProductID", "ProductID")  

    .Column("ProductName", "ProductName")  

    .Column(new CASE()  

            .When(new PATINDEX("%Chef [A-Za-z]%", new Column("ProductName")).GreaterThan(0))  

            .Then(new PATINDEX("%Chef [A-Za-z]%", new Column("ProductName")))  

            .When(new PATINDEX("%[0-9][gG]%", new Column("ProductName")).GreaterThan(0))  

            .Then(new PATINDEX("%[0-9][gG]%", new Column("ProductName")))  

            .Else(0), "MatchedPosition")  

    .Column(new CASE()  

            .When(new PATINDEX("%Chef [A-Za-z]%", new Column("ProductName")).GreaterThan(0))  

            .Then("Chef followed by word")  

            .When(new PATINDEX("%[0-9][gG]%", new Column("ProductName")).GreaterThan(0))  

            .Then("Number followed by g/G")  

            .Else("No Match"), "MatchDescription")  

    .From("Products")  

    .Where(new Where(new PATINDEX("%Chef [A-Za-z]%", new Column("ProductName")), SQLComparisonOperators.GREATER_THAN, 0)  

        .OR(new PATINDEX("%[0-9][gG]%", new Column("ProductName")), SQLComparisonOperators.GREATER_THAN, 0)  

    )  

    .Build();  

            
        

Query build by SqlQueryBuilder 2

            
SELECT ProductID AS ProductID,
       ProductName AS ProductName,
       CASE WHEN PATINDEX(@pMAIN_2507200132162365020, ProductName) > @pMAIN_2507200132162365021 THEN PATINDEX(@pMAIN_2507200132162365022, ProductName) WHEN PATINDEX(@pMAIN_2507200132162365023, ProductName) > @pMAIN_2507200132162365024 THEN PATINDEX(@pMAIN_2507200132162365025, ProductName) ELSE @pMAIN_2507200132162365026 END AS MatchedPosition,
       CASE WHEN PATINDEX(@pMAIN_2507200132162365027, ProductName) > @pMAIN_2507200132162365028 THEN @pMAIN_2507200132162365029 WHEN PATINDEX(@pMAIN_250720013216236502_10, ProductName) > @pMAIN_250720013216236502_11 THEN @pMAIN_250720013216236502_12 ELSE @pMAIN_250720013216236502_13 END AS MatchDescription
FROM Products
WHERE PATINDEX(@pMAIN_250720013216236502_14, ProductName) > @pMAIN_250720013216236502_15
      OR PATINDEX(@pMAIN_250720013216236502_16, ProductName) > @pMAIN_250720013216236502_17;


            
        

Parameters (If used)

Query Results 2: