sanitize constraints

This commit is contained in:
Jan Prochazka
2025-12-09 10:45:38 +01:00
parent b3943f005d
commit 98f5bb4124

View File

@@ -26,6 +26,7 @@ import _isDate from 'lodash/isDate';
import _isArray from 'lodash/isArray';
import _isPlainObject from 'lodash/isPlainObject';
import _keys from 'lodash/keys';
import _cloneDeep from 'lodash/cloneDeep';
import uuidv1 from 'uuid/v1';
export class SqlDumper implements AlterProcessor {
@@ -666,6 +667,68 @@ export class SqlDumper implements AlterProcessor {
}
}
sanitizeTableConstraints(table: TableInfo): TableInfo {
// Create a deep copy of the table
const sanitized = _cloneDeep(table);
// Get the set of existing column names
const existingColumns = new Set(sanitized.columns.map(col => col.columnName));
// Filter primary key columns to only include existing columns
if (sanitized.primaryKey) {
const validPkColumns = sanitized.primaryKey.columns.filter(col => existingColumns.has(col.columnName));
if (validPkColumns.length === 0) {
// If no valid columns remain, remove the primary key entirely
sanitized.primaryKey = null;
} else if (validPkColumns.length < sanitized.primaryKey.columns.length) {
// Update primary key with only valid columns
sanitized.primaryKey = {
...sanitized.primaryKey,
columns: validPkColumns
};
}
}
// Filter sorting key columns to only include existing columns
if (sanitized.sortingKey) {
const validSkColumns = sanitized.sortingKey.columns.filter(col => existingColumns.has(col.columnName));
if (validSkColumns.length === 0) {
sanitized.sortingKey = null;
} else if (validSkColumns.length < sanitized.sortingKey.columns.length) {
sanitized.sortingKey = {
...sanitized.sortingKey,
columns: validSkColumns
};
}
}
// Filter foreign keys to only include those with all columns present
if (sanitized.foreignKeys) {
sanitized.foreignKeys = sanitized.foreignKeys.filter(fk =>
fk.columns.every(col => existingColumns.has(col.columnName))
);
}
// Filter indexes to only include those with all columns present
if (sanitized.indexes) {
sanitized.indexes = sanitized.indexes.filter(idx =>
idx.columns.every(col => existingColumns.has(col.columnName))
);
}
// Filter unique constraints to only include those with all columns present
if (sanitized.uniques) {
sanitized.uniques = sanitized.uniques.filter(uq =>
uq.columns.every(col => existingColumns.has(col.columnName))
);
}
// Filter dependencies (references from other tables) - these should remain as-is
// since they don't affect the CREATE TABLE statement for this table
return sanitized;
}
recreateTable(oldTable: TableInfo, newTable: TableInfo) {
if (!oldTable.pairingId || !newTable.pairingId || oldTable.pairingId != newTable.pairingId) {
throw new Error('Recreate is not possible: oldTable.paringId != newTable.paringId');
@@ -680,48 +743,51 @@ export class SqlDumper implements AlterProcessor {
}))
.filter(x => x.newcol);
// Create a sanitized version of newTable with constraints that only reference existing columns
const sanitizedNewTable = this.sanitizeTableConstraints(newTable);
if (this.driver.supportsTransactions) {
this.dropConstraints(oldTable, true);
this.renameTable(oldTable, tmpTable);
this.createTable(newTable);
this.createTable(sanitizedNewTable);
const autoinc = newTable.columns.find(x => x.autoIncrement);
const autoinc = sanitizedNewTable.columns.find(x => x.autoIncrement);
if (autoinc) {
this.allowIdentityInsert(newTable, true);
this.allowIdentityInsert(sanitizedNewTable, true);
}
this.putCmd(
'^insert ^into %f (%,i) select %,i ^from %f',
newTable,
sanitizedNewTable,
columnPairs.map(x => x.newcol.columnName),
columnPairs.map(x => x.oldcol.columnName),
{ ...oldTable, pureName: tmpTable }
);
if (autoinc) {
this.allowIdentityInsert(newTable, false);
this.allowIdentityInsert(sanitizedNewTable, false);
}
if (this.dialect.dropForeignKey) {
newTable.dependencies.forEach(cnt => this.createConstraint(cnt));
sanitizedNewTable.dependencies.forEach(cnt => this.createConstraint(cnt));
}
this.dropTable({ ...oldTable, pureName: tmpTable });
} else {
// we have to preserve old table as long as possible
this.createTable({ ...newTable, pureName: tmpTable });
this.createTable({ ...sanitizedNewTable, pureName: tmpTable });
this.putCmd(
'^insert ^into %f (%,i) select %,s ^from %f',
{ ...newTable, pureName: tmpTable },
{ ...sanitizedNewTable, pureName: tmpTable },
columnPairs.map(x => x.newcol.columnName),
columnPairs.map(x => x.oldcol.columnName),
oldTable
);
this.dropTable(oldTable);
this.renameTable({ ...newTable, pureName: tmpTable }, newTable.pureName);
this.renameTable({ ...sanitizedNewTable, pureName: tmpTable }, newTable.pureName);
}
}