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(#1506) Remove reservedSymbolTable and replace with HIDDEN_FIELD_NAME #1936

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merged 5 commits into from
Aug 15, 2023
Merged

(#1506) Remove reservedSymbolTable and replace with HIDDEN_FIELD_NAME #1936

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82aaaa4
(#1506) Remove reservedSymbolTable and replace with HIDDEN_FIELD_NAME…
acarbonetto Aug 4, 2023
b51d22a
Merge remote-tracking branch 'upstream/main' into integ-remove-reserv…
acarbonetto Aug 9, 2023
7b498b8
Merge remote-tracking branch 'upstream/main' into integ-remove-reserv…
acarbonetto Aug 9, 2023
4d573e6
Merge remote-tracking branch 'upstream/main' into integ-remove-reserv…
acarbonetto Aug 14, 2023
b410e8d
#1506: spotless apply
acarbonetto Aug 14, 2023
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4 changes: 2 additions & 2 deletions core/src/main/java/org/opensearch/sql/analysis/Analyzer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -161,7 +161,7 @@ public LogicalPlan visitRelation(Relation node, AnalysisContext context) {
}
table.getFieldTypes().forEach((k, v) -> curEnv.define(new Symbol(Namespace.FIELD_NAME, k), v));
table.getReservedFieldTypes().forEach(
(k, v) -> curEnv.addReservedWord(new Symbol(Namespace.FIELD_NAME, k), v)
(k, v) -> curEnv.define(new Symbol(Namespace.HIDDEN_FIELD_NAME, k), v)
);

// Put index name or its alias in index namespace on type environment so qualifier
Expand Down Expand Up @@ -207,7 +207,7 @@ public LogicalPlan visitTableFunction(TableFunction node, AnalysisContext contex
Table table = tableFunctionImplementation.applyArguments();
table.getFieldTypes().forEach((k, v) -> curEnv.define(new Symbol(Namespace.FIELD_NAME, k), v));
table.getReservedFieldTypes().forEach(
(k, v) -> curEnv.addReservedWord(new Symbol(Namespace.FIELD_NAME, k), v)
(k, v) -> curEnv.define(new Symbol(Namespace.HIDDEN_FIELD_NAME, k), v)
);
curEnv.define(new Symbol(Namespace.INDEX_NAME,
dataSourceSchemaIdentifierNameResolver.getIdentifierName()), STRUCT);
Expand Down
4 changes: 2 additions & 2 deletions core/src/main/java/org/opensearch/sql/analysis/ExpressionAnalyzer.java
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Expand Up @@ -372,8 +372,8 @@ public Expression visitQualifiedName(QualifiedName node, AnalysisContext context
for (TypeEnvironment typeEnv = context.peek();
typeEnv != null;
typeEnv = typeEnv.getParent()) {
Optional<ExprType> exprType = typeEnv.getReservedSymbolTable().lookup(
new Symbol(Namespace.FIELD_NAME, part));
Optional<ExprType> exprType = Optional.ofNullable(
typeEnv.lookupAllFields(Namespace.HIDDEN_FIELD_NAME).get(part));
if (exprType.isPresent()) {
return visitMetadata(
qualifierAnalyzer.unqualified(node),
Expand Down
9 changes: 0 additions & 9 deletions core/src/main/java/org/opensearch/sql/analysis/TypeEnvironment.java
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Expand Up @@ -29,9 +29,6 @@ public class TypeEnvironment implements Environment<Symbol, ExprType> {
private final TypeEnvironment parent;
private final SymbolTable symbolTable;

@Getter
private final SymbolTable reservedSymbolTable;

/**
* Constructor with empty symbol tables.
*
Expand All @@ -40,7 +37,6 @@ public class TypeEnvironment implements Environment<Symbol, ExprType> {
public TypeEnvironment(TypeEnvironment parent) {
this.parent = parent;
this.symbolTable = new SymbolTable();
this.reservedSymbolTable = new SymbolTable();
}

/**
Expand All @@ -52,7 +48,6 @@ public TypeEnvironment(TypeEnvironment parent) {
public TypeEnvironment(TypeEnvironment parent, SymbolTable symbolTable) {
this.parent = parent;
this.symbolTable = symbolTable;
this.reservedSymbolTable = new SymbolTable();
}

/**
Expand Down Expand Up @@ -133,8 +128,4 @@ public void clearAllFields() {
lookupAllFields(FIELD_NAME).keySet().forEach(
v -> remove(new Symbol(Namespace.FIELD_NAME, v)));
}

public void addReservedWord(Symbol symbol, ExprType type) {
reservedSymbolTable.store(symbol, type);
}
}
1 change: 1 addition & 0 deletions core/src/main/java/org/opensearch/sql/analysis/symbol/Namespace.java
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Expand Up @@ -13,6 +13,7 @@ public enum Namespace {

INDEX_NAME("Index"),
FIELD_NAME("Field"),
HIDDEN_FIELD_NAME("HiddenField"),
FUNCTION_NAME("Function");

private final String name;
Expand Down
6 changes: 3 additions & 3 deletions core/src/test/java/org/opensearch/sql/analysis/ExpressionAnalyzerTest.java
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Expand Up @@ -234,8 +234,8 @@ public void qualified_name_with_qualifier() {
public void qualified_name_with_reserved_symbol() {
analysisContext.push();

analysisContext.peek().addReservedWord(new Symbol(Namespace.FIELD_NAME, "_reserved"), STRING);
analysisContext.peek().addReservedWord(new Symbol(Namespace.FIELD_NAME, "_priority"), FLOAT);
analysisContext.peek().define(new Symbol(Namespace.HIDDEN_FIELD_NAME, "_reserved"), STRING);
analysisContext.peek().define(new Symbol(Namespace.HIDDEN_FIELD_NAME, "_priority"), FLOAT);
analysisContext.peek().define(new Symbol(Namespace.INDEX_NAME, "index_alias"), STRUCT);
assertAnalyzeEqual(
DSL.ref("_priority", FLOAT),
Expand All @@ -246,7 +246,7 @@ public void qualified_name_with_reserved_symbol() {
qualifiedName("index_alias", "_reserved")
);

// reserved fields take priority over symbol table
// cannot replace an existing field type
analysisContext.peek().define(new Symbol(Namespace.FIELD_NAME, "_reserved"), LONG);
assertAnalyzeEqual(
DSL.ref("_reserved", STRING),
Expand Down