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Chore: Updated README.md for database context propagation supported query functions #450

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Oct 22, 2025
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Chore: Updated README.md for database context propagation supported query functions #450

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8 changes: 7 additions & 1 deletion src/Instrumentation/MySqli/README.md
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Expand Up @@ -59,4 +59,10 @@ OTEL_PHP_DISABLED_INSTRUMENTATIONS=mysqli
Enable context propagation for database queries by installing the following packages:
```shell
composer require open-telemetry/opentelemetry-sqlcommenter
```
```
Currently, only the following functions support context propagation:
* `mysqli::query`
* `mysqli_query`
* `mysqli::real_query`
* `mysqli_real_query`

7 changes: 5 additions & 2 deletions src/Instrumentation/PDO/README.md
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Expand Up @@ -37,7 +37,10 @@ OTEL_PHP_INSTRUMENTATION_PDO_DISTRIBUTE_STATEMENT_TO_LINKED_SPANS=true

## Database Context Propagation

Enable context propagation for database queries by installing the following packages:
Enable context propagation for database queries (pdo_mysql, pdo_pgsql only) by installing the following packages:
```shell
composer require open-telemetry/opentelemetry-sqlcommenter
```
```
Currently, only the following functions support context propagation:
* `PDO::query`
* `PDO::exec`
3 changes: 3 additions & 0 deletions src/Instrumentation/PostgreSql/README.md
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Expand Up @@ -73,6 +73,9 @@ Enable context propagation for database queries by installing the following pack
```shell
composer require open-telemetry/opentelemetry-sqlcommenter
```
Currently, only the following functions support context propagation:
* `pg_query`
* `pg_send_query`

## Compatibility

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