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OpenSearch/docs/reference/sql/functions/operators.asciidoc

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DOC: Enhance SQL Functions documentation Split function section into multiple chapters Add String functions Add (small) section on Conversion/Cast functions Add missing aggregation functions Enable documentation testing (was disabled by accident). While at it, fix failing tests Improve spec tests to allow multi-line queries (useful for docs) Add ability to ignore a spec test (name should end with -Ignore)
2018-09-05 18:19:49 -04:00
[role="xpack"]
[testenv="basic"]
[[sql-operators]]
=== Comparison Operators
Boolean operator for comparing one or two expressions.
* Equality (`=`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/filter.sql-spec[whereFieldEquality]
--------------------------------------------------
* Inequality (`<>` or `!=` or `<=>`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/filter.sql-spec[whereFieldNonEquality]
--------------------------------------------------
* Comparison (`<`, `<=`, `>`, `>=`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/filter.sql-spec[whereFieldLessThan]
--------------------------------------------------
* `BETWEEN`
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/filter.sql-spec[whereBetween]
--------------------------------------------------
* `IS NULL`/`IS NOT NULL`
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/filter.sql-spec[whereIsNotNullAndIsNull]
--------------------------------------------------
[[sql-operators-logical]]
=== Logical Operators
Boolean operator for evaluating one or two expressions.
* `AND`
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/filter.sql-spec[whereFieldAndComparison]
--------------------------------------------------
* `OR`
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/filter.sql-spec[whereFieldOrComparison]
--------------------------------------------------
* `NOT`
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/filter.sql-spec[whereFieldEqualityNot]
--------------------------------------------------
[[sql-operators-math]]
=== Math Operators
Perform mathematical operations affecting one or two values.
The result is a value of numeric type.
* Add (`+`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/arithmetic.sql-spec[plus]
--------------------------------------------------
* Subtract (infix `-`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/arithmetic.sql-spec[minus]
--------------------------------------------------
* Negate (unary `-`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/arithmetic.sql-spec[unaryMinus]
--------------------------------------------------
* Multiply (`*`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/arithmetic.sql-spec[multiply]
--------------------------------------------------
* Divide (`/`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/arithmetic.sql-spec[divide]
--------------------------------------------------
* https://en.wikipedia.org/wiki/Modulo_operation[Modulo] or Reminder(`%`)
["source","sql",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{sql-specs}/arithmetic.sql-spec[mod]
--------------------------------------------------