System.NotSupportedException: Not supported function call STRINGEQUALS with 3 arguments
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.Visit(SqlFunctionCallScalarExpression sqlObject) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 438
at Microsoft.Azure.Cosmos.SqlObjects.SqlFunctionCallScalarExpression.Accept(SqlObjectVisitor visitor) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjects/SqlFunctionCallScalarExpression.cs:line 217
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.ProcessBinaryScalarExpression(SqlScalarExpression leftExpression, SqlScalarExpression rightExpression, SqlBinaryScalarOperatorKind operatorKind) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 223
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.Visit(SqlBinaryScalarExpression sqlObject) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 149
at Microsoft.Azure.Cosmos.SqlObjects.SqlBinaryScalarExpression.Accept(SqlObjectVisitor visitor) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjects/SqlBinaryScalarExpression.cs:line 39
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.ProcessBinaryScalarExpression(SqlScalarExpression leftExpression, SqlScalarExpression rightExpression, SqlBinaryScalarOperatorKind operatorKind) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 219
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.Visit(SqlBinaryScalarExpression sqlObject) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 149
at Microsoft.Azure.Cosmos.SqlObjects.SqlBinaryScalarExpression.Accept(SqlObjectVisitor visitor) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjects/SqlBinaryScalarExpression.cs:line 39
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.ProcessBinaryScalarExpression(SqlScalarExpression leftExpression, SqlScalarExpression rightExpression, SqlBinaryScalarOperatorKind operatorKind) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 219
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.Visit(SqlBinaryScalarExpression sqlObject) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 195
at Microsoft.Azure.Cosmos.SqlObjects.SqlBinaryScalarExpression.Accept(SqlObjectVisitor visitor) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjects/SqlBinaryScalarExpression.cs:line 39
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.ProcessBinaryScalarExpression(SqlScalarExpression leftExpression, SqlScalarExpression rightExpression, SqlBinaryScalarOperatorKind operatorKind) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 219
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.Visit(SqlBinaryScalarExpression sqlObject) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 195
at Microsoft.Azure.Cosmos.SqlObjects.SqlBinaryScalarExpression.Accept(SqlObjectVisitor visitor) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjects/SqlBinaryScalarExpression.cs:line 39
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.Visit(SqlWhereClause sqlObject) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 1135
at Microsoft.Azure.Cosmos.Postgres.Core.Query.SqlObjectPGTextSerializer.Visit(SqlQuery sqlObject) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjectPGTextSerializer.cs:line 882
at Microsoft.Azure.Cosmos.SqlObjects.SqlQuery.Accept(SqlObjectVisitor visitor) in /tmp/gateway/Cosmos.Postgres.Core/Query/SqlObjects/SqlQuery.cs:line 48