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refactor adding sqlPart

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This commit is contained in:
Sven Klemm
2018-07-15 12:26:22 +02:00
parent f48060a1bb
commit f85c9c012e
4 changed files with 39 additions and 121 deletions
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113
public/app/plugins/datasource/postgres/sql_part.ts
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@ -16,109 +16,9 @@ function register(options: any) {
index[options.type] = new SqlPartDef(options);
}
function replaceAggregationAddStrategy(selectParts, partModel) {
var hasAlias = false;
// look for existing aggregation
for (var i = 0; i < selectParts.length; i++) {
var part = selectParts[i];
if (part.def.type === 'aggregate') {
selectParts[i] = partModel;
return;
}
if (part.def.type === 'alias') {
hasAlias = true;
}
}
// add alias if none exists yet
if (!hasAlias) {
var aliasModel = createPart({ type: 'alias', params: [selectParts[0].params[0]] });
selectParts.push(aliasModel);
}
selectParts.splice(1, 0, partModel);
}
function replaceSpecialAddStrategy(selectParts, partModel) {
var hasAlias = false;
// look for existing aggregation
for (var i = 0; i < selectParts.length; i++) {
var part = selectParts[i];
if (part.def.type === 'special') {
selectParts[i] = partModel;
return;
}
if (part.def.type === 'alias') {
hasAlias = true;
}
}
// add alias if none exists yet
if (!hasAlias) {
var aliasModel = createPart({ type: 'alias', params: [selectParts[0].params[0]] });
selectParts.push(aliasModel);
}
selectParts.splice(1, 0, partModel);
}
function addMathStrategy(selectParts, partModel) {
var partCount = selectParts.length;
if (partCount > 0) {
// if last is math, replace it
if (selectParts[partCount - 1].def.type === 'math') {
selectParts[partCount - 1] = partModel;
return;
}
// if next to last is math, replace it
if (partCount > 1 && selectParts[partCount - 2].def.type === 'math') {
selectParts[partCount - 2] = partModel;
return;
} else if (selectParts[partCount - 1].def.type === 'alias') {
// if last is alias add it before
selectParts.splice(partCount - 1, 0, partModel);
return;
}
}
selectParts.push(partModel);
}
function addAliasStrategy(selectParts, partModel) {
var partCount = selectParts.length;
if (partCount > 0) {
// if last is alias, replace it
if (selectParts[partCount - 1].def.type === 'alias') {
selectParts[partCount - 1] = partModel;
return;
}
}
selectParts.push(partModel);
}
function addColumnStrategy(selectParts, partModel, query) {
// copy all parts
var parts = _.map(selectParts, function(part: any) {
return createPart({ type: part.def.type, params: _.clone(part.params) });
});
query.selectModels.push(parts);
}
function addExpressionStrategy(selectParts, partModel, query) {
// copy all parts
var parts = _.map(selectParts, function(part: any) {
return createPart({ type: part.def.type, params: _.clone(part.params) });
});
query.selectModels.push(parts);
}
register({
type: 'column',
style: 'label',
addStrategy: addColumnStrategy,
params: [{ type: 'column', dynamicLookup: true }],
defaultParams: ['value'],
});
@ -127,7 +27,6 @@ register({
type: 'expression',
style: 'expression',
label: 'Expr:',
addStrategy: addExpressionStrategy,
params: [
{ name: 'left', type: 'string', dynamicLookup: true },
{ name: 'op', type: 'string', dynamicLookup: true },
@ -140,7 +39,6 @@ register({
type: 'macro',
style: 'label',
label: 'Macro:',
addStrategy: addExpressionStrategy,
params: [],
defaultParams: [],
});
@ -148,23 +46,13 @@ register({
register({
type: 'aggregate',
style: 'label',
addStrategy: replaceAggregationAddStrategy,
params: [{ name: 'name', type: 'string', dynamicLookup: true }],
defaultParams: ['avg'],
});
register({
type: 'math',
style: 'label',
addStrategy: addMathStrategy,
params: [{ name: 'expr', type: 'string' }],
defaultParams: [' / 100'],
});
register({
type: 'alias',
style: 'label',
addStrategy: addAliasStrategy,
params: [{ name: 'name', type: 'string', quote: 'double' }],
defaultParams: ['alias'],
});
@ -199,7 +87,6 @@ register({
},
],
defaultParams: ['increase'],
addStrategy: replaceSpecialAddStrategy,
});
export default {