overflow db proxy grpc proto

.gitignore

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+# Created by .ignore support plugin (hsz.mobi)
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
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+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
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+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
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+# Mongo Explorer plugin:
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+## File-based project format:
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+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
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+# mpeltonen/sbt-idea plugin
+.idea_modules/
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+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+### Linux template
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+.fuse_hidden*
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+# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
+.glide/
+
+.gitignore
+.idea/

grpc/cmd

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+protoc -I grpc/ grpc/grpc.proto --go_out=plugins=grpc:grpc

grpc/grpc.proto

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+syntax = "proto3";
+
+message DBInput {
+     string targetDao = 1;
+     string method = 2;
+     map<string, string> param = 3;
+}
+
+message DBOutput {
+    map<string, string> result = 1;
+}
+
+service DB {
+    rpc exec(DBInput) returns (DBOutput) {}
+}
+