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bc59315baa
* DISSECT examples * WHERE examples * Remove references to empty keys * Fix non-deterministic test
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587 B
Text
25 lines
No EOL
587 B
Text
[discrete]
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[[esql-predicates]]
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=== `IS NULL` and `IS NOT NULL` predicates
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//tag::body[]
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For NULL comparison, use the `IS NULL` and `IS NOT NULL` predicates:
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[source.merge.styled,esql]
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----
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include::{esql-specs}/null.csv-spec[tag=is-null]
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----
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[%header.monospaced.styled,format=dsv,separator=|]
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|===
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include::{esql-specs}/null.csv-spec[tag=is-null-result]
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|===
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[source.merge.styled,esql]
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----
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include::{esql-specs}/null.csv-spec[tag=is-not-null]
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----
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[%header.monospaced.styled,format=dsv,separator=|]
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|===
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include::{esql-specs}/null.csv-spec[tag=is-not-null-result]
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|===
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//end::body[] |