Added more PostgreSQL functions

server/functions/abs.go

@@ -0,0 +1,49 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import (
+	"github.com/dolthub/doltgresql/utils"
+)
+
+// abs represents the PostgreSQL function of the same name.
+var abs = Function{
+	Name:      "abs",
+	Overloads: []interface{}{abs_int, abs_float, abs_numeric},
+}
+
+// abs_int is one of the overloads of abs.
+func abs_int(num IntegerType) (IntegerType, error) {
+	if num.IsNull {
+		return IntegerType{IsNull: true}, nil
+	}
+	return IntegerType{Value: utils.Abs(num.Value)}, nil
+}
+
+// abs_float is one of the overloads of abs.
+func abs_float(num FloatType) (FloatType, error) {
+	if num.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: utils.Abs(num.Value)}, nil
+}
+
+// abs_numeric is one of the overloads of abs.
+func abs_numeric(num NumericType) (NumericType, error) {
+	if num.IsNull {
+		return NumericType{IsNull: true}, nil
+	}
+	return NumericType{Value: utils.Abs(num.Value)}, nil
+}

server/functions/acos.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// acos represents the PostgreSQL function of the same name.
+var acos = Function{
+	Name:      "acos",
+	Overloads: []interface{}{acos_float},
+}
+
+// acos_float is one of the overloads of acos.
+func acos_float(num FloatType) (FloatType, error) {
+	if num.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: math.Acos(num.Value)}, nil
+}

server/functions/acosd.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// acosd represents the PostgreSQL function of the same name.
+var acosd = Function{
+	Name:      "acosd",
+	Overloads: []interface{}{acosd_float},
+}
+
+// acosd_float is one of the overloads of acosd.
+func acosd_float(num FloatType) (FloatType, error) {
+	if num.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: toDegrees(math.Acos(num.Value))}, nil
+}

server/functions/acosh.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// acosh represents the PostgreSQL function of the same name.
+var acosh = Function{
+	Name:      "acosh",
+	Overloads: []interface{}{acosh_float},
+}
+
+// acosh_float is one of the overloads of acosh.
+func acosh_float(num FloatType) (FloatType, error) {
+	if num.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: math.Acosh(num.Value)}, nil
+}

server/functions/ascii.go

@@ -0,0 +1,33 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+// ascii represents the PostgreSQL function of the same name.
+var ascii = Function{
+	Name:      "ascii",
+	Overloads: []interface{}{ascii_string},
+}
+
+// ascii_string is one of the overloads of ascii.
+func ascii_string(text StringType) (IntegerType, error) {
+	if text.IsNull {
+		return IntegerType{IsNull: true}, nil
+	}
+	if len(text.Value) == 0 {
+		return IntegerType{Value: 0}, nil
+	}
+	runes := []rune(text.Value)
+	return IntegerType{Value: int64(runes[0])}, nil
+}

server/functions/asin.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// asin represents the PostgreSQL function of the same name.
+var asin = Function{
+	Name:      "asin",
+	Overloads: []interface{}{asin_float},
+}
+
+// asin_float is one of the overloads of asin.
+func asin_float(num FloatType) (FloatType, error) {
+	if num.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: math.Asin(num.Value)}, nil
+}

server/functions/asind.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// asind represents the PostgreSQL function of the same name.
+var asind = Function{
+	Name:      "asind",
+	Overloads: []interface{}{asind_float},
+}
+
+// asind_float is one of the overloads of asind.
+func asind_float(num FloatType) (FloatType, error) {
+	if num.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: toDegrees(math.Asin(num.Value))}, nil
+}

server/functions/asinh.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// asinh represents the PostgreSQL function of the same name.
+var asinh = Function{
+	Name:      "asinh",
+	Overloads: []interface{}{asinh_float},
+}
+
+// asinh_float is one of the overloads of asinh.
+func asinh_float(num FloatType) (FloatType, error) {
+	if num.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: math.Asinh(num.Value)}, nil
+}

server/functions/atan.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// atan represents the PostgreSQL function of the same name.
+var atan = Function{
+	Name:      "atan",
+	Overloads: []interface{}{atan_float},
+}
+
+// atan_float is one of the overloads of atan.
+func atan_float(num FloatType) (FloatType, error) {
+	if num.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: math.Atan(num.Value)}, nil
+}

server/functions/atan2.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// atan2 represents the PostgreSQL function of the same name.
+var atan2 = Function{
+	Name:      "atan2",
+	Overloads: []interface{}{atan2_float},
+}
+
+// atan2_float is one of the overloads of atan2.
+func atan2_float(y FloatType, x FloatType) (FloatType, error) {
+	if y.IsNull || x.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: math.Atan2(y.Value, x.Value)}, nil
+}

server/functions/atan2d.go

@@ -0,0 +1,31 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package functions
+
+import "math"
+
+// atan2d represents the PostgreSQL function of the same name.
+var atan2d = Function{
+	Name:      "atan2d",
+	Overloads: []interface{}{atan2d_float},
+}
+
+// atan2d_float is one of the overloads of atan2d.
+func atan2d_float(y FloatType, x FloatType) (FloatType, error) {
+	if y.IsNull || x.IsNull {
+		return FloatType{IsNull: true}, nil
+	}
+	return FloatType{Value: toDegrees(math.Atan2(y.Value, x.Value))}, nil
+}