I am trying to create a aggregate results in elastic search but filter option is not working for me. I can aggregate data without filter e.g. but I am facing problems to write equivalent DSL query of : Answer Should be something like this: Use a filter if you know the exact value and do not need a match, else
SQL syntax error. check corresponds to MYSQL server
I try to do a form which can insert data into database. After I insert a dummy data the is come out. You have an error in your SQL syntax; check the manual that corresponds to your MySQL server …
SQL Server query erroring with ‘An object or column name is missing or empty’
I have the following query in a stored procedure in SQL server: When the query is run I get the following error: An object or column name is missing or empty. For SELECT INTO statements, verify each column has a name. For other statements, look for empty alias names. Aliases defined as “” or [] ar…
Subset of a candidate key
As we know a candidate key is a column or combination of columns that uniquely identifies the rows in a relation. Suppose I have a relation in which candidate keys are combinations of columns. I want to ask, is it possible that a subset of a candidate key also uniquely identifies the row? OR is a candidate ke…
How to get my PUT_LINE statement to display in TOAD?
This code compiles, but in TOAD it won’t show the “hi wo” output CREATE OR REPLACE PROCEDURE AdelTest IS tmpVar NUMBER; BEGIN DBMS_OUTPUT.ENABLE(100: in INTEGER); DBMS_OUTPUT.PUT_LINE(‘hi wo’); …
Counting related rows in a child table
I have been trying to do some queries and getting a count on related tables using eloquent. Tables: requests contact (belongs to requests) history (belongs to contact) As such X number of requests each have Y number of contacts which in term each have Z number of histories Using sql I can do something like th…
How do you get values from all columns using ResultSet.getBinaryStream() in jdbc?
How do I to write an entire table to a flat file (text file) using jdbc? So far I’ve attempted the following: Statement statement = connection.createStatement(); ResultSet result = statement….
Select adjacent rows in mysql – but when using alphabetical order of specific column, not numeric order of ID
I have a wordpress install with custom post types where I would like to find the ‘previous’ and ‘next’ custom post type object via mysql. I have read many questions/answers on SO regarding how to achieve this when using the ID. The issue is that a lot of these objects were input at dif…
Grant privileges for a particular database in PostgreSQL
I’m moving from MySQL to PostgreSQL and have hit a wall with user privileges. I am used to assigning a user all privileges to all tables of a database with the following command: # MySQL grant all …
Laravel foreign key onDelete(‘cascade’) not working
I have a many-to-many relationship between User & Role, with a role_user table. My migrations are setup as so (simplified): users table: public function up() { Schema::create(‘users’, …