1 // Licensed to the Apache Software Foundation (ASF) under one 2 // or more contributor license agreements. See the NOTICE file 3 // distributed with this work for additional information 4 // regarding copyright ownership. The ASF licenses this file 5 // to you under the Apache License, Version 2.0 (the 6 // "License"); you may not use this file except in compliance 7 // with the License. You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, 12 // software distributed under the License is distributed on an 13 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 14 // KIND, either express or implied. See the License for the 15 // specific language governing permissions and limitations 16 // under the License. 17 18 //! This module provides a logical query plan enum that can describe queries. Logical query 19 //! plans can be created from a SQL statement or built programmatically via the Table API. 20 //! 21 //! Logical query plans can then be optimized and executed directly, or translated into 22 //! physical query plans and executed. 23 24 mod builder; 25 mod dfschema; 26 mod display; 27 mod expr; 28 mod extension; 29 mod operators; 30 mod plan; 31 mod registry; 32 pub use builder::LogicalPlanBuilder; 33 pub use dfschema::{DFField, DFSchema, DFSchemaRef, ToDFSchema}; 34 pub use display::display_schema; 35 pub use expr::{ 36 abs, acos, and, array, asin, atan, avg, binary_expr, bit_length, case, ceil, 37 character_length, col, combine_filters, concat, cos, count, count_distinct, 38 create_udaf, create_udf, exp, exprlist_to_fields, floor, in_list, length, lit, ln, 39 log10, log2, lower, ltrim, max, md5, min, octet_length, or, round, rtrim, sha224, 40 sha256, sha384, sha512, signum, sin, sqrt, sum, tan, trim, trunc, upper, when, Expr, 41 ExpressionVisitor, Literal, Recursion, 42 }; 43 pub use extension::UserDefinedLogicalNode; 44 pub use operators::Operator; 45 pub use plan::{ 46 JoinType, LogicalPlan, Partitioning, PlanType, PlanVisitor, StringifiedPlan, 47 }; 48 pub use registry::FunctionRegistry; 49