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fix: Check for empty row in mysql2 driver #66

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fix: Check for empty row in mysql2 driver #66

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6 changes: 6 additions & 0 deletions examples/bun-mysql2/src/db/query_sql.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,9 @@ export async function getAuthor(client: Client, args: GetAuthorArgs): Promise<Ge
return null;
}
const row = rows[0];
if (!row) {
return null;
}
return {
id: row[0],
name: row[1],
Expand Down Expand Up @@ -168,6 +171,9 @@ export async function test(client: Client): Promise<TestRow | null> {
return null;
}
const row = rows[0];
if (!row) {
return null;
}
return {
cBit: row[0],
cTinyint: row[1],
Expand Down
6 changes: 6 additions & 0 deletions examples/node-mysql2/src/db/query_sql.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,9 @@ export async function getAuthor(client: Client, args: GetAuthorArgs): Promise<Ge
return null;
}
const row = rows[0];
if (!row) {
return null;
}
return {
id: row[0],
name: row[1],
Expand Down Expand Up @@ -168,6 +171,9 @@ export async function test(client: Client): Promise<TestRow | null> {
return null;
}
const row = rows[0];
if (!row) {
return null;
}
return {
cBit: row[0],
cTinyint: row[1],
Expand Down
11 changes: 11 additions & 0 deletions src/drivers/mysql2.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -627,6 +627,17 @@ export class Driver {
NodeFlags.TypeExcludesFlags
)
),
factory.createIfStatement(
factory.createPrefixUnaryExpression(
SyntaxKind.ExclamationToken,
factory.createIdentifier("row")
),
factory.createBlock(
[factory.createReturnStatement(factory.createNull())],
true
),
undefined
),
factory.createReturnStatement(
factory.createObjectLiteralExpression(
columns.map((col, i) =>
Expand Down