Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 126x 126x 126x 126x 126x 1x 1x 1x 1x 125x 125x 125x 126x 1x 1x 1x 1x 124x 124x 124x 124x 124x 124x 126x 9x 9x 9x 124x 126x 119x 119x 124x 124x 124x 126x 126x 126x 9x 9x 9x 4x 4x 4x 4x 2x 2x 2x 2x 2x 2x 4x 4x 9x 122x 122x 126x 1x 1x 126x 10x 10x 10x 10x 126x 9x 9x 9x 9x 122x 126x 81x 81x 122x 126x 5x 5x 122x 126x 9x 9x 126x 1x 1x 124x 124x 46x 46x 22x 22x 46x 124x 124x 124x 63x 29x 29x 29x 63x 124x 124x 124x 5x 5x 5x 5x 5x 10x 10x 10x 10x 10x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 10x 5x 124x 1x 1x 124x 6x 6x 118x 118x 124x 102x 102x 102x 16x 16x 124x 124x 16x 16x 16x 12x 12x 4x 16x 16x 16x 1x 1x 22x 2x 2x 20x 22x 19x 19x 19x 1x 22x 1x 22x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 125x 125x 125x 125x 125x 18x 18x 125x 125x 2x 2x 125x 125x 67x 67x 67x 12x 12x 67x 67x 125x 125x 92x 92x 125x 125x 125x 1x | import * as Expressions from "../../2_statements/expressions";
import {ExpressionNode} from "../../nodes";
import {CurrentScope} from "../_current_scope";
import {IStructureComponent, StructureType, TableKeyType, TableType, UnknownType, VoidType} from "../../types/basic";
import {InlineData} from "./inline_data";
import {Target} from "./target";
import {SQLFrom} from "./sql_from";
import {SQLForAllEntries} from "./sql_for_all_entries";
import {ScopeType} from "../_scope_type";
import {SQLSource} from "./sql_source";
import {SQLCompare} from "./sql_compare";
import {DatabaseTableSource} from "./database_table";
import {AbstractType} from "../../types/basic/_abstract_type";
import {SQLOrderBy} from "./sql_order_by";
import {Dynamic} from "./dynamic";
import {ReferenceType} from "../_reference";
import {SyntaxInput, syntaxIssue} from "../_syntax_input";
type FieldList = {code: string, as: string, expression: ExpressionNode}[];
const isSimple = /^\w+$/;
export class Select {
public runSyntax(node: ExpressionNode, input: SyntaxInput, skipImplicitInto = false): void {
const token = node.getFirstToken();
const from = node.findDirectExpression(Expressions.SQLFrom);
const dbSources = from ? new SQLFrom().runSyntax(from, input) : [];
if (from === undefined) {
const message = `Missing FROM`;
input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
return;
}
const fields = this.findFields(node, input);
if (fields.length === 0
&& node.findDirectExpression(Expressions.SQLFieldListLoop) === undefined) {
const message = `SELECT: fields missing`;
input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
return;
}
this.checkFields(fields, dbSources, input, node);
this.handleInto(node, input, fields, dbSources);
const fae = node.findDirectExpression(Expressions.SQLForAllEntries);
if (fae) {
input.scope.push(ScopeType.OpenSQL, "SELECT", token.getStart(), input.filename);
new SQLForAllEntries().runSyntax(fae, input);
}
for (const t of node.findAllExpressions(Expressions.Target)) {
new Target().runSyntax(t, input);
}
// check implicit into, the target field is implict equal to the table name
if (skipImplicitInto === false
&& node.findDirectExpression(Expressions.SQLIntoTable) === undefined
&& node.findDirectExpression(Expressions.SQLIntoList) === undefined
&& node.findDirectExpression(Expressions.SQLIntoStructure) === undefined) {
const fields = node.findFirstExpression(Expressions.SQLAggregation)?.concatTokens();
const c = new RegExp(/^count\(\s*\*\s*\)$/, "i");
if (fields === undefined || c.test(fields) === false) {
const nameToken = from?.findDirectExpression(Expressions.SQLFromSource);
if (nameToken) {
const found = input.scope.findVariable(nameToken.concatTokens());
if (found) {
input.scope.addReference(nameToken.getFirstToken(), found, ReferenceType.DataWriteReference, input.filename);
} else {
const message = `Target variable ${nameToken.concatTokens()} not found in scope`;
input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
return;
}
}
}
}
// OFFSET
for (const s of node.findDirectExpressions(Expressions.SQLSource)) {
new SQLSource().runSyntax(s, input);
}
for (const up of node.findDirectExpressions(Expressions.SQLUpTo)) {
for (const s of up.findDirectExpressions(Expressions.SQLSource)) {
new SQLSource().runSyntax(s, input);
}
}
for (const fae of node.findDirectExpressions(Expressions.SQLForAllEntries)) {
for (const s of fae.findDirectExpressions(Expressions.SQLSource)) {
new SQLSource().runSyntax(s, input);
}
}
for (const s of node.findAllExpressions(Expressions.SQLCompare)) {
new SQLCompare().runSyntax(s, input, dbSources);
}
for (const s of node.findDirectExpressions(Expressions.SQLOrderBy)) {
new SQLOrderBy().runSyntax(s, input);
}
if (input.scope.getType() === ScopeType.OpenSQL) {
input.scope.pop(node.getLastToken().getEnd());
}
}
private handleInto(node: ExpressionNode, input: SyntaxInput, fields: FieldList, dbSources: DatabaseTableSource[]) {
const intoTable = node.findDirectExpression(Expressions.SQLIntoTable);
if (intoTable) {
const inline = intoTable.findFirstExpression(Expressions.InlineData);
if (inline) {
new InlineData().runSyntax(inline, input, this.buildTableType(fields, dbSources, input.scope));
}
}
const intoStructure = node.findDirectExpression(Expressions.SQLIntoStructure);
if (intoStructure) {
for (const inline of intoStructure.findAllExpressions(Expressions.InlineData)) {
// todo, for now these are voided
new InlineData().runSyntax(inline, input, new VoidType("SELECT_todo"));
}
}
const intoList = node.findDirectExpression(Expressions.SQLIntoList);
if (intoList) {
const isDynamic = fields.length === 1 && fields[0].expression.findDirectExpression(Expressions.Dynamic) !== undefined;
const targets = intoList.findDirectExpressions(Expressions.SQLTarget);
if (targets.length !== fields.length && isDynamic !== true) {
const message = `number of fields selected vs list does not match`;
input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
return;
}
for (let i = 0; i < targets.length; i++) {
const target = targets[i];
const field = fields[i];
const inline = target.findFirstExpression(Expressions.InlineData);
if (inline) {
if (isDynamic) {
const message = `dynamic field list, inlining not possible`;
input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
return;
}
let type: AbstractType = new VoidType("SELECT_todo");
if (isSimple.test(field.code)) {
for (const dbSource of dbSources) {
if (dbSource === undefined) {
continue;
}
const dbType = dbSource.parseType(input.scope.getRegistry());
if (dbType instanceof StructureType) {
const found = dbType.getComponentByName(field.code);
if (found) {
type = found;
break;
}
}
}
}
new InlineData().runSyntax(inline, input, type);
}
}
}
}
private checkFields(fields: FieldList, dbSources: DatabaseTableSource[], input: SyntaxInput, node: ExpressionNode) {
if (dbSources.length > 1) {
return;
}
const first = dbSources[0];
if (first === undefined) {
// then its voided
return;
}
const type = first.parseType(input.scope.getRegistry());
if (type instanceof VoidType || type instanceof UnknownType) {
return;
}
if (!(type instanceof StructureType)) {
const message = "checkFields, expected structure, " + type.constructor.name;
input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
return;
}
for (const field of fields) {
if (field.code === "*") {
continue;
}
if (isSimple.test(field.code) && type.getComponentByName(field.code) === undefined) {
const message = `checkFields, field ${field.code} not found`;
input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
return;
}
}
}
private buildTableType(fields: FieldList, dbSources: DatabaseTableSource[], scope: CurrentScope) {
if (dbSources.length !== 1) {
return new VoidType("SELECT_todo");
}
if (dbSources[0] === undefined) {
// then its a voided table
return new VoidType("SELECT_todo");
}
const dbType = dbSources[0].parseType(scope.getRegistry());
if (!(dbType instanceof StructureType)) {
return new VoidType("SELECT_todo");
}
if (fields.length === 1 && fields[0].code === "*") {
return new TableType(dbType, {withHeader: false, keyType: TableKeyType.default}, undefined);
}
const allFieldsSimple = fields.every(f => isSimple.test(f.code));
if (allFieldsSimple === true) {
const components: IStructureComponent[] = [];
for (const field of fields) {
const type = dbType.getComponentByName(field.code);
if (type === undefined) {
return new VoidType("SELECT_todo");
}
components.push({name: field.code, type});
}
return new TableType(new StructureType(components), {withHeader: false, keyType: TableKeyType.default}, undefined);
}
return new VoidType("SELECT_todo");
}
private findFields(node: ExpressionNode, input: SyntaxInput): FieldList {
let expr: ExpressionNode | undefined = undefined;
const ret = [];
expr = node.findFirstExpression(Expressions.SQLFieldList);
if (expr === undefined) {
expr = node.findFirstExpression(Expressions.SQLFieldListLoop);
}
if (expr?.getFirstChild()?.get() instanceof Expressions.Dynamic) {
new Dynamic().runSyntax(expr.getFirstChild() as ExpressionNode, input);
}
for (const field of expr?.findDirectExpressionsMulti([Expressions.SQLField, Expressions.SQLFieldName]) || []) {
let code = field.concatTokens().toUpperCase();
const as = field.findDirectExpression(Expressions.SQLAsName)?.concatTokens() || "";
if (as !== "") {
code = code.replace(" AS " + as, "");
}
ret.push({code, as, expression: field});
}
if (ret.length === 0 && expr) {
ret.push({code: expr.concatTokens(), as: "", expression: expr});
}
return ret;
}
} |