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fix(snowflake): fixing the snowflake schema fetcher logic (#7440) #8665

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fix(snowflake): fixing the snowflake schema fetcher logic (#7440) #8665

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e6f81bb
fix(snowflake): fixing the snowflake schema fetcher logic (#7440)
christianallred-nomi Sep 3, 2024
9f292a3
Merge branch 'master' into fix(snowflake)fixing-undefined-case-in-sno…
KSDaemon Dec 6, 2024
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6 changes: 6 additions & 0 deletions docs/pages/product/configuration/data-sources/snowflake.mdx
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Expand Up @@ -12,6 +12,12 @@ redirect_from:
- [The region][snowflake-docs-regions] for the [Snowflake][snowflake] warehouse
- The username/password for the [Snowflake][snowflake] account

## Snowflake quoted identifiers

Due to an issue in snowflakes opinion about quoted identifers we set a session value to override
snowflake defaults for users that have set an account value for: QUOTED_IDENTIFIERS_IGNORE_CASE
you can learn more about this here: https://docs.snowflake.com/en/sql-reference/identifiers-syntax#double-quoted-identifiers

## Setup

<WarningBox>
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9 changes: 8 additions & 1 deletion packages/cubejs-snowflake-driver/src/SnowflakeDriver.ts
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Expand Up @@ -450,7 +450,14 @@ export class SnowflakeDriver extends BaseDriver implements DriverInterface {

await this.execute(connection, 'ALTER SESSION SET TIMEZONE = \'UTC\'', [], false);
await this.execute(connection, `ALTER SESSION SET STATEMENT_TIMEOUT_IN_SECONDS = ${this.config.executionTimeout}`, [], false);

/**
* Because snowflake has an opinion about the shape of data returns over the api.
* we have to set this value to false in order for our schema requests to succeed.
*
* You can learn more here.
* https://docs.snowflake.com/en/sql-reference/identifiers-syntax#double-quoted-identifiers
*/
await this.execute(connection, 'ALTER SESSION SET QUOTED_IDENTIFIERS_IGNORE_CASE = FALSE', [], false);
return connection;
} catch (e) {
this.connection = null;
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