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DOCS-514 - Parse operators note #4705

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merged 4 commits into from
Oct 29, 2024
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DOCS-514 - Parse operators note #4705

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jpipkin1 Oct 28, 2024
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jpipkin1 Oct 28, 2024
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Merge branch 'main' into docs-514-transform-if-present-note
jpipkin1 Oct 29, 2024
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Merge branch 'main' into docs-514-transform-if-present-note
jpipkin1 Oct 29, 2024
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17 changes: 17 additions & 0 deletions docs/cse/schema/parsing-language-reference-guide.md
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Expand Up @@ -837,6 +837,23 @@ If `<field_name>` isn’t specified, the field dictionary is passed through inst

`r|` syntax can be used here.

:::tip
`TRANSFORM*` operators only work on fields that contain a value, or a subfield within a JSON structure.

Suppose you had the following JSON array:

```
{
"foo":
{
"bar":
{
"field":"value"
```

The `TRANSFORM*` operator must be placed on a subfield that contains a valid string or integer, in this case, `"field"`. Placing it on the top-level field, in this case `"foo"` or `"bar"`, will be ignored by the system.
:::

### TRANSFORM_ALL

Applies `<transfer_stanza_nam>` stanza to all fields (that have already been parsed or created by SET) that match the regular expression.
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