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Commit0134a95

Browse files
authored
fix: Check for empty row (#18)
Fixes a compiler error.Fixes#6
1 parent27833be commit0134a95

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3 files changed

+49
-12
lines changed

3 files changed

+49
-12
lines changed

‎examples/bun-postgres/src/db/query_sql.ts

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,9 @@ export async function getAuthor(sql: Sql, args: GetAuthorArgs): Promise<GetAutho
2222
returnnull;
2323
}
2424
constrow=rows[0];
25+
if(!row){
26+
returnnull;
27+
}
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return{
2629
id:row[0],
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name:row[1],
@@ -72,6 +75,9 @@ export async function createAuthor(sql: Sql, args: CreateAuthorArgs): Promise<Cr
7275
returnnull;
7376
}
7477
constrow=rows[0];
78+
if(!row){
79+
returnnull;
80+
}
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return{
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id:row[0],
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name:row[1],

‎examples/node-postgres/src/db/query_sql.ts

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,9 @@ export async function getAuthor(sql: Sql, args: GetAuthorArgs): Promise<GetAutho
2222
returnnull;
2323
}
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constrow=rows[0];
25+
if(!row){
26+
returnnull;
27+
}
2528
return{
2629
id:row[0],
2730
name:row[1],
@@ -72,6 +75,9 @@ export async function createAuthor(sql: Sql, args: CreateAuthorArgs): Promise<Cr
7275
returnnull;
7376
}
7477
constrow=rows[0];
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if(!row){
79+
returnnull;
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}
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return{
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id:row[0],
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name:row[1],

‎src/drivers/postgres.ts

Lines changed: 37 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -417,21 +417,25 @@ export function manyDecl(
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),
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]
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),
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factory.createIdentifier("values"),
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factory.createIdentifier("values")
421421
),
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undefined,
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undefined,
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undefined
424424
)
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),
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factory.createIdentifier("map"),
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factory.createIdentifier("map")
427427
),
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undefined,
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[
430430
factory.createArrowFunction(
431431
undefined,
432432
undefined,
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[
434-
factory.createParameterDeclaration(undefined,undefined,"row"),
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factory.createParameterDeclaration(
435+
undefined,
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undefined,
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"row"
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),
435439
],
436440
undefined,
437441
factory.createToken(SyntaxKind.EqualsGreaterThanToken),
@@ -510,7 +514,9 @@ export function oneDecl(
510514
params.map((param,i)=>
511515
factory.createPropertyAccessExpression(
512516
factory.createIdentifier("args"),
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factory.createIdentifier(argName(i,param.column))
517+
factory.createIdentifier(
518+
argName(i,param.column)
519+
)
514520
)
515521
),
516522
false
@@ -520,7 +526,7 @@ export function oneDecl(
520526
factory.createIdentifier("values")
521527
),
522528
undefined,
523-
undefined,
529+
undefined
524530
)
525531
)
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),
@@ -550,12 +556,31 @@ export function oneDecl(
550556
),
551557
factory.createVariableStatement(
552558
undefined,
553-
factory.createVariableDeclarationList([
554-
factory.createVariableDeclaration("row",undefined,undefined,factory.createElementAccessExpression(
555-
factory.createIdentifier("rows"),
556-
factory.createNumericLiteral("0")
557-
)),
558-
],NodeFlags.Const)
559+
factory.createVariableDeclarationList(
560+
[
561+
factory.createVariableDeclaration(
562+
"row",
563+
undefined,
564+
undefined,
565+
factory.createElementAccessExpression(
566+
factory.createIdentifier("rows"),
567+
factory.createNumericLiteral("0")
568+
)
569+
),
570+
],
571+
NodeFlags.Const
572+
)
573+
),
574+
factory.createIfStatement(
575+
factory.createPrefixUnaryExpression(
576+
SyntaxKind.ExclamationToken,
577+
factory.createIdentifier("row")
578+
),
579+
factory.createBlock(
580+
[factory.createReturnStatement(factory.createNull())],
581+
true
582+
),
583+
undefined
559584
),
560585
factory.createReturnStatement(
561586
factory.createObjectLiteralExpression(

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