Call expand_type_tags when algebrizing.
* Correct errors and add missing cases * Update tests that now add type tags
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4ad7fed33f
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f785110536
5 changed files with 117 additions and 120 deletions
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@ -837,15 +837,29 @@ impl ConjoiningClauses {
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}
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}
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let mut computed_types: BTreeMap<Variable, TypedValue> = BTreeMap::default();
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for computed_table in self.computed_tables.iter() {
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match computed_table {
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&ComputedTable::NamedValues { ref names, ref values } => {
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for (i, item) in names.iter().enumerate() {
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computed_types.insert(item.clone(), values[i].clone());
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}
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},
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_ => (),
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}
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}
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let mut empty_reason: Option<EmptyBecause> = None;
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let mut wheres_to_add = vec![];
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for (v, value_type_set) in self.known_types.iter() {
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if self.column_bindings.contains_key(v) {
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let cols = self.column_bindings.get(v).unwrap().clone();
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for col in cols {
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match col.1 {
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Column::Fixed(DatomsColumn::Value) => {
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// attempt to figure out exactly which type is used
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// TODO: But only if the attribute is a variable or not present and therefore of unknown type
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let mut value_type: Option<ValueType> = None;
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for constraint in self.wheres.0.iter() {
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match constraint {
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@ -860,7 +874,7 @@ impl ConjoiningClauses {
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empty_reason = Some(EmptyBecause::TypeMismatch{var: v.clone(), existing: value_type_set.clone(), desired: ValueTypeSet::of_one(typed.value_type())});
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}
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},
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&QueryValue::PrimitiveLong(ref val) => {
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&QueryValue::PrimitiveLong(_) => {
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let desired = ValueType::Long;
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if value_type_set.contains(desired) {
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value_type = Some(desired);
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@ -869,29 +883,24 @@ impl ConjoiningClauses {
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}
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},
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&QueryValue::Column(ref alias) => {
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let desired = ValueType::Ref;
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let desired = if computed_types.contains_key(&v) { computed_types.get(&v).unwrap().value_type() } else { ValueType::Ref };
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if value_type_set.contains(desired) {
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match alias.1 {
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Column::Fixed(DatomsColumn::Entity) => {
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value_type = Some(desired);
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},
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_ => { empty_reason = Some(EmptyBecause::TypeMismatch{var: v.clone(), existing: value_type_set.clone(), desired: ValueTypeSet::of_one(desired)}); },
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}
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} else {
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empty_reason = Some(EmptyBecause::TypeMismatch{var: v.clone(), existing: value_type_set.clone(), desired: ValueTypeSet::of_one(desired)});
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}
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},
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&QueryValue::Entid(ref entid) => (),
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&QueryValue::Entid(_) => (),
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}
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},
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&ColumnConstraint::NumericInequality { ref operator, ref left, ref right } => {
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&ColumnConstraint::NumericInequality { operator, ref left, ref right } => {
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match left {
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&QueryValue::Column(ref alias) if alias.0 == col.0 && alias.1 == col.1 => {
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match right {
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&QueryValue::TypedValue(ref typed) if value_type_set.contains(typed.value_type()) => {
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value_type = Some(typed.value_type().clone());
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},
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&QueryValue::PrimitiveLong(ref val) if value_type_set.contains(ValueType::Long) => {
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&QueryValue::PrimitiveLong(_) if value_type_set.contains(ValueType::Long) => {
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value_type = Some(ValueType::Long);
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},
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_ => (),
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@ -910,53 +919,45 @@ impl ConjoiningClauses {
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_ => (),
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}
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},
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&ColumnConstraintOrAlternation::Alternation(ref alternation) => (),
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&ColumnConstraintOrAlternation::Alternation(_) => (),
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}
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}
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if value_type.is_some() {
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wheres_to_add.push(ColumnConstraintOrAlternation::Constraint(ColumnConstraint::HasType(col.0, value_type.expect("Expected type").clone())));
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let new_constraint = ColumnConstraintOrAlternation::Constraint(ColumnConstraint::HasType(col.0, value_type.expect("Expected type").clone()));
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if !self.wheres.0.contains(&new_constraint) {
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wheres_to_add.push(new_constraint);
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}
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}
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},
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Column::Fixed(DatomsColumn::Entity) => {
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println!("Entity column {:?}", col);
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Column::Fixed(DatomsColumn::Entity) => (),
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Column::Fixed(DatomsColumn::Attribute) =>
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for constraint in self.wheres.0.iter() {
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println!("* constraint {:?}", constraint);
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match constraint {
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&ColumnConstraintOrAlternation::Constraint(ref c) => {
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match c {
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&ColumnConstraint::HasType(ref alias, ref value_type) => {
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println!("hastype {:?}, {:?}, {:?}", alias, value_type, col.0);
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if *alias == col.0 {
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if !value_type_set.contains(value_type.clone()) {
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empty_reason = Some(EmptyBecause::TypeMismatch{var: v.clone(), existing: value_type_set.clone(), desired: ValueTypeSet::of_one(value_type.clone())});
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}
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}
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},
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_ => { println!("some other kind of column constraint {:?}", c); }
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_ => ()
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}
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},
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&ColumnConstraintOrAlternation::Alternation(ref alternation) => {
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println!("alternation {:?}", alternation);
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},
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}
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&ColumnConstraintOrAlternation::Alternation(_) => (),
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}
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},
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Column::Fixed(DatomsColumn::Attribute) => {
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println!("Attribute column {:?}", col);
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},
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_ => {
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println!("column {:?}", col);
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_ => ()
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}
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}
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}
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}
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if empty_reason.is_some() {
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self.mark_known_empty(empty_reason.unwrap());
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return;
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}
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self.wheres.0.append(&mut wheres_to_add);
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}
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}
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@ -1024,7 +1025,6 @@ mod tests {
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use super::*;
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use mentat_core::SQLValueType;
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use self::mentat_query_parser::parse_find_string;
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use types::NumericComparison;
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use algebrize;
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@ -1096,8 +1096,7 @@ mod tests {
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[?x _ ?y]
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[?a _ ?y]]"#;
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let parsed = parse_find_string(query).expect("parse failed");
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let mut cc = algebrize(&schema, parsed).expect("Expected a valid query").cc;
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cc.expand_type_tags();
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let cc = algebrize(&schema, parsed).expect("Expected a valid query").cc;
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let d0 = "datoms00".to_string();
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let d0e = QualifiedAlias::new(d0.clone(), DatomsColumn::Entity);
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@ -1131,14 +1130,11 @@ mod tests {
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:where [?x ?y true]
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[?z ?y ?x]]"#;
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let parsed = parse_find_string(query).expect("parse failed");
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let mut cc = algebrize(&schema, parsed).expect("Expected a valid query").cc;
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let vx = Variable::from_valid_name("?x");
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assert!(!cc.is_known_empty());
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cc.expand_type_tags();
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let cc = algebrize(&schema, parsed).expect("Expected a valid query").cc;
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let vy = Variable::from_valid_name("?y");
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println!("{:?}", cc);
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assert!(cc.is_known_empty());
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assert_eq!(cc.empty_because.unwrap(), EmptyBecause::TypeMismatch{var: vx, existing: ValueTypeSet::of_one(ValueType::Ref), desired: ValueTypeSet::of_one(ValueType::Boolean)});
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assert_eq!(cc.empty_because.unwrap(), EmptyBecause::TypeMismatch{var: vy, existing: ValueTypeSet::of_one(ValueType::Ref), desired: ValueTypeSet::of_one(ValueType::Boolean)});
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}
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#[test]
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@ -1150,8 +1146,7 @@ mod tests {
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[?x _ ?y]
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[?y _ ?z]]"#;
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let parsed = parse_find_string(query).expect("parse failed");
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let mut cc = algebrize(&schema, parsed).expect("Expected a valid query").cc;
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cc.expand_type_tags();
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let cc = algebrize(&schema, parsed).expect("Expected a valid query").cc;
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println!("{:?}", cc);
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let d0 = "all_datoms00".to_string();
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@ -1176,8 +1171,7 @@ mod tests {
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[?x _ ?v]
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[(< ?v 10)]]"#;
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let parsed = parse_find_string(query).expect("parse failed");
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let mut cc = algebrize(&schema, parsed).expect("Expected a valid query").cc;
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cc.expand_type_tags();
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let cc = algebrize(&schema, parsed).expect("Expected a valid query").cc;
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let d0 = "all_datoms00".to_string();
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let d0v = QualifiedAlias::new(d0.clone(), DatomsColumn::Value);
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@ -370,6 +370,7 @@ mod testing {
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right: QueryValue::TypedValue(TypedValue::Long(30)),
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}),
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ColumnConstraintOrAlternation::Constraint(ColumnConstraint::NotExists(ComputedTable::Subquery(subquery))),
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ColumnConstraintOrAlternation::Constraint(ColumnConstraint::HasType(d0.clone(), ValueType::Long)),
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]));
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assert_eq!(cc.column_bindings.get(&vx), Some(&vec![d0e]));
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assert_eq!(cc.from, vec![SourceAlias(DatomsTable::Datoms, d0)]);
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@ -976,6 +976,7 @@ mod testing {
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])),
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// The outer pattern joins against the `or`.
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ColumnConstraintOrAlternation::Constraint(ColumnConstraint::Equals(d0e.clone(), QueryValue::Column(d1e.clone()))),
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ColumnConstraintOrAlternation::Constraint(ColumnConstraint::HasType(d0.clone(), ValueType::Long)),
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]));
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assert_eq!(cc.column_bindings.get(&vx), Some(&vec![d0e, d1e]));
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assert_eq!(cc.from, vec![SourceAlias(DatomsTable::Datoms, d0),
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@ -183,6 +183,7 @@ pub fn algebrize_with_inputs(schema: &Schema,
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}
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cc.expand_column_bindings();
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cc.prune_extracted_types();
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cc.expand_type_tags();
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let (order, extra_vars) = validate_and_simplify_order(&cc, parsed.order)?;
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let with: BTreeSet<Variable> = parsed.with.into_iter().chain(extra_vars.into_iter()).collect();
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@ -286,7 +286,7 @@ fn test_numeric_less_than_unknown_attribute() {
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// Although we infer numericness from numeric predicates, we've already assigned a table to the
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// first pattern, and so this is _still_ `all_datoms`.
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assert_eq!(sql, "SELECT DISTINCT `all_datoms00`.e AS `?x` FROM `all_datoms` AS `all_datoms00` WHERE `all_datoms00`.v < 10");
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assert_eq!(sql, "SELECT DISTINCT `all_datoms00`.e AS `?x` FROM `all_datoms` AS `all_datoms00` WHERE `all_datoms00`.v < 10 AND `all_datoms00`.value_type_tag = 5");
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assert_eq!(args, vec![]);
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}
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@ -295,7 +295,7 @@ fn test_numeric_gte_known_attribute() {
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let schema = prepopulated_typed_schema(ValueType::Double);
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let query = r#"[:find ?x :where [?x :foo/bar ?y] [(>= ?y 12.9)]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v >= 12.9");
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v >= 12.9 AND `datoms00`.value_type_tag = 5");
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assert_eq!(args, vec![]);
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}
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@ -304,7 +304,7 @@ fn test_numeric_not_equals_known_attribute() {
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let schema = prepopulated_typed_schema(ValueType::Long);
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let query = r#"[:find ?x . :where [?x :foo/bar ?y] [(!= ?y 12)]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v <> 12 LIMIT 1");
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assert_eq!(sql, "SELECT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v <> 12 AND `datoms00`.value_type_tag = 5 LIMIT 1");
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assert_eq!(args, vec![]);
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}
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@ -657,7 +657,7 @@ fn test_compound_with_ground() {
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let query = r#"[:find ?x . :where [_ :foo/bar ?x] [(ground "yyy") ?x]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT $v0 AS `?x` FROM `datoms` AS `datoms00` \
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WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 LIMIT 1");
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WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 AND `datoms00`.value_type_tag = 10 LIMIT 1");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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