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makeUniqueColumnNames function

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This commit is contained in:
Jan Prochazka
2021-01-28 09:12:10 +01:00
parent ca4ff95316
commit a5c1966a94
1 changed files with 12 additions and 0 deletions
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12
packages/tools/src/nameTools.ts
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@@ -49,3 +49,15 @@ export function findObjectLike(
export function findForeignKeyForColumn(table: TableInfo, column: ColumnInfo) { export function findForeignKeyForColumn(table: TableInfo, column: ColumnInfo) {
return (table.foreignKeys || []).find(fk => fk.columns.find(col => col.columnName == column.columnName)); return (table.foreignKeys || []).find(fk => fk.columns.find(col => col.columnName == column.columnName));
} }
export function makeUniqueColumnNames(res: ColumnInfo[]) {
const usedNames = new Set();
for (let i = 0; i < res.length; i++) {
if (usedNames.has(res[i].columnName)) {
let suffix = 2;
while (usedNames.has(`${res[i].columnName}${suffix}`)) suffix++;
res[i].columnName = `${res[i].columnName}${suffix}`;
}
usedNames.add(res[i].columnName);
}
}