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change column nullablility - works (without SQLite - table recreate needed)

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This commit is contained in:
Jan Prochazka
2021-07-01 12:01:24 +02:00
parent 7a10b85b4c
commit 35eb5716a5
5 changed files with 57 additions and 17 deletions
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27
plugins/dbgate-plugin-postgres/src/frontend/Dumper.js
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@@ -1,4 +1,4 @@
const { SqlDumper } = global.DBGATE_TOOLS;
const { SqlDumper, testEqualTypes } = global.DBGATE_TOOLS;
class Dumper extends SqlDumper {
/** @param type {import('dbgate-types').TransformType} */
@@ -61,6 +61,31 @@ class Dumper extends SqlDumper {
}
super.columnDefinition(col, options);
}
changeColumn(oldcol, newcol, constraints) {
if (oldcol.columnName != newcol.columnName) {
this.putCmd('^alter ^table %f ^rename ^column %i ^to %i', oldcol, oldcol.columnName, newcol.columnName);
}
if (!testEqualTypes(oldcol, newcol)) {
this.putCmd('^alter ^table %f ^alter ^column %i ^type %s', oldcol, oldcol.columnName, newcol.dataType);
}
if (oldcol.notNull != newcol.notNull) {
if (newcol.notNull) this.putCmd('^alter ^table %f ^alter ^column %i ^set ^not ^null', newcol, newcol.columnName);
else this.putCmd('^alter ^table %f ^alter ^column %i ^drop ^not ^null', newcol, newcol.columnName);
}
if (oldcol.defaultValue != newcol.defaultValue) {
if (newcol.defaultValue == null) {
this.putCmd('^alter ^table %f ^alter ^column %i ^drop ^default', newcol, newcol.columnName);
} else {
this.putCmd(
'^alter ^table %f ^alter ^column %i ^set ^default %s',
newcol,
newcol.columnName,
newcol.defaultValue
);
}
}
}
}
module.exports = Dumper;