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feat(firestore): Add timestamp expressions #7826

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6932511
Add timestampTrunc, timestampDiff and timestampExtract expressions
yvonnep165 Mar 19, 2026
0ed1acb
Merge branch 'main' into yvonne/timestamp-expressions
yvonnep165 Mar 19, 2026
7f90d4a
🦉 Updates from OwlBot post-processor
gcf-owl-bot[bot] Mar 19, 2026
0fea83f
🦉 Updates from OwlBot post-processor
gcf-owl-bot[bot] Mar 19, 2026
678ecd1
Merge branch 'yvonne/timestamp-expressions' of https://github.com/goo…
gcf-owl-bot[bot] Mar 19, 2026
a34eab9
Add documentation for timestamp timezone missing
yvonnep165 Mar 19, 2026
508ba66
Merge branch 'main' into yvonne/timestamp-expressions
yvonnep165 Mar 19, 2026
05bbb06
Merge branch 'main' into yvonne/timestamp-expressions
yvonnep165 Mar 23, 2026
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30 changes: 30 additions & 0 deletions handwritten/firestore/api-report/firestore.api.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1207,6 +1207,10 @@ abstract class Expression implements firestore.Pipelines.Expression, HasUserData
sum(): AggregateFunction;
timestampAdd(unit: Expression, amount: Expression): FunctionExpression;
timestampAdd(unit: 'microsecond' | 'millisecond' | 'second' | 'minute' | 'hour' | 'day', amount: number): FunctionExpression;
timestampDiff(start: Expression, unit: Expression): FunctionExpression;
timestampDiff(start: string | Expression, unit: 'microsecond' | 'millisecond' | 'second' | 'minute' | 'hour' | 'day'): FunctionExpression;
timestampExtract(part: firestore.Pipelines.TimePart, timezone?: string | Expression): FunctionExpression;
timestampExtract(part: Expression, timezone?: string | Expression): FunctionExpression;
timestampSubtract(unit: Expression, amount: Expression): FunctionExpression;
timestampSubtract(unit: 'microsecond' | 'millisecond' | 'second' | 'minute' | 'hour' | 'day', amount: number): FunctionExpression;
timestampToUnixMicros(): FunctionExpression;
Expand Down Expand Up @@ -2116,6 +2120,8 @@ declare namespace Pipelines {
isType,
Type,
timestampTruncate,
timestampExtract,
timestampDiff,
split,
ltrim,
rtrim,
Expand Down Expand Up @@ -2709,6 +2715,30 @@ function timestampAdd(timestamp: Expression, unit: 'microsecond' | 'millisecond'
// @beta
function timestampAdd(fieldName: string, unit: 'microsecond' | 'millisecond' | 'second' | 'minute' | 'hour' | 'day', amount: number): FunctionExpression;

// @beta
function timestampDiff(endFieldName: string, startFieldName: string, unit: 'microsecond' | 'millisecond' | 'second' | 'minute' | 'hour' | 'day' | Expression): FunctionExpression;

// @beta
function timestampDiff(endFieldName: string, startExpression: Expression, unit: 'microsecond' | 'millisecond' | 'second' | 'minute' | 'hour' | 'day' | Expression): FunctionExpression;

// @beta
function timestampDiff(endExpression: Expression, startFieldName: string, unit: 'microsecond' | 'millisecond' | 'second' | 'minute' | 'hour' | 'day' | Expression): FunctionExpression;

// @beta
function timestampDiff(endExpression: Expression, startExpression: Expression, unit: 'microsecond' | 'millisecond' | 'second' | 'minute' | 'hour' | 'day' | Expression): FunctionExpression;

// @beta
function timestampExtract(fieldName: string, part: firestore.Pipelines.TimePart, timezone?: string | Expression): FunctionExpression;

// @beta
function timestampExtract(fieldName: string, part: Expression, timezone?: string | Expression): FunctionExpression;

// @beta
function timestampExtract(timestampExpression: Expression, part: firestore.Pipelines.TimePart, timezone?: string | Expression): FunctionExpression;

// @beta
function timestampExtract(timestampExpression: Expression, part: Expression, timezone?: string | Expression): FunctionExpression;

// @beta
function timestampSubtract(timestamp: Expression, unit: Expression, amount: Expression): FunctionExpression;

Expand Down
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