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sql_generation: Add support for predefined columns

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This commit is contained in:
Pekka Enberg
2025-09-08 11:11:57 +03:00
parent 2d05d062b2
commit e3ec4f7ea2
1 changed files with 25 additions and 6 deletions
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31
sql_generation/generation/table.rs
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@@ -16,21 +16,33 @@ impl Arbitrary for Name {
}
}
impl Arbitrary for Table {
fn arbitrary<R: Rng + ?Sized, C: GenerationContext>(rng: &mut R, context: &C) -> Self {
impl Table {
/// Generate a table with some predefined columns
pub fn arbitrary_with_columns<R: Rng + ?Sized, C: GenerationContext>(
rng: &mut R,
context: &C,
name: String,
predefined_columns: Vec<Column>,
) -> Self {
let opts = context.opts().table.clone();
let name = Name::arbitrary(rng, context).0;
let large_table =
opts.large_table.enable && rng.random_bool(opts.large_table.large_table_prob);
let column_size = if large_table {
let target_column_size = if large_table {
rng.random_range(opts.large_table.column_range)
} else {
rng.random_range(opts.column_range)
} as usize;
let mut column_set = IndexSet::with_capacity(column_size);
// Start with predefined columns
let mut column_set = IndexSet::with_capacity(target_column_size);
for col in predefined_columns {
column_set.insert(col);
}
// Generate additional columns to reach target size
for col in std::iter::repeat_with(|| Column::arbitrary(rng, context)) {
column_set.insert(col);
if column_set.len() == column_size {
if column_set.len() >= target_column_size {
break;
}
}
@@ -44,6 +56,13 @@ impl Arbitrary for Table {
}
}
impl Arbitrary for Table {
fn arbitrary<R: Rng + ?Sized, C: GenerationContext>(rng: &mut R, context: &C) -> Self {
let name = Name::arbitrary(rng, context).0;
Table::arbitrary_with_columns(rng, context, name, vec![])
}
}
impl Arbitrary for Column {
fn arbitrary<R: Rng + ?Sized, C: GenerationContext>(rng: &mut R, context: &C) -> Self {
let name = Name::arbitrary(rng, context).0;