Package com.openmeet.shared.utils

Class QueryBuilder

java.lang.Object
com.openmeet.shared.utils.QueryBuilder
public class QueryBuilder extends Object
Class for programmatically constructing a SQL query.

  • Method Details

    • SELECT

      public static QueryBuilder SELECT(String... columns)
      Creates a "select" query.
      Parameters:
      columns - The column names.
      Returns:
      The new QueryBuilder instance.

    • FROM

      public QueryBuilder FROM(String... tables)
      Appends a "from" clause to a query.
      Parameters:
      tables - The table names.
      Returns:
      The QueryBuilder instance.

    • JOIN

      public QueryBuilder JOIN(String table)
      Appends a "join" clause to a query.
      Parameters:
      table - The table name.
      Returns:
      The QueryBuilder instance.

    • LEFT_JOIN

      public QueryBuilder LEFT_JOIN(String table)
      Appends a "left join" clause to a query.
      Parameters:
      table - The table name.
      Returns:
      The QueryBuilder instance.

    • RIGHT_JOIN

      public QueryBuilder RIGHT_JOIN(String table)
      Appends a "right join" clause to a query.
      Parameters:
      table - The table name.
      Returns:
      The QueryBuilder instance.

    • ON

      public QueryBuilder ON(String predicate)
      Appends an "on" clause to a query.
      Parameters:
      predicate - The predicate.
      Returns:
      The QueryBuilder instance.

    • WHERE

      public QueryBuilder WHERE(String predicate)
      Appends a "where" clause to a query.
      Parameters:
      predicate - The predicate.
      Returns:
      The QueryBuilder instance.

    • ORDER_BY

      public QueryBuilder ORDER_BY(String... columns)
      Appends an "order by" clause to a query.
      Parameters:
      columns - The column names.
      Returns:
      The QueryBuilder instance.

    • LIMIT

      public QueryBuilder LIMIT(int row_count)
      Appends a "limit" clause to a query.
      Parameters:
      row_count - The limit count.
      Returns:
      The QueryBuilder instance.

    • LIMIT

      public QueryBuilder LIMIT(int offset, int row_count)
      Appends a "limit" clause to a query.
      Parameters:
      offset - Starting offset
      row_count - Ending offset
      Returns:
      The QueryBuilder instance.

    • UNION

      public QueryBuilder UNION(QueryBuilder queryBuilder)
      Appends a "union" clause to a query.
      Parameters:
      queryBuilder - The query builder to append.
      Returns:
      The QueryBuilder instance.

    • INSERT_INTO

      public static QueryBuilder INSERT_INTO(String table, Map<String,?> values)
      Creates an "insert into" query.
      Parameters:
      table - The table name.
      values - The values to insert.
      Returns:
      The new QueryBuilder instance.

    • UPDATE

      public static QueryBuilder UPDATE(String table)
      Creates an "update" query.
      Parameters:
      table - The table name.
      Returns:
      The new QueryBuilder instance.

    • SET

      public QueryBuilder SET(Map<String,?> values)
      Appends a "set" command to a query.
      Parameters:
      values - The values to update.
      Returns:
      The QueryBuilder instance.

    • DELETE_FROM

      public static QueryBuilder DELETE_FROM(String table)
      Creates a "delete from" query.
      Parameters:
      table - The table name.
      Returns:
      The new QueryBuilder instance.

    • toString

      public String toString()
      Overrides:
      toString in class Object